Deck 1: Equations, Inequalities, and Modeling

ملء الشاشة (f)
exit full mode
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
3(8t + 10) = 6(2t + 3)

A) Identity, {all real numbers}
B) Conditional, {-1}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 3(8t + 10) = 6(2t + 3)</strong> A) Identity, {all real numbers} B) Conditional, {-1} C)   D) Conditional, {-4} <div style=padding-top: 35px>
D) Conditional, {-4}
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لقلب البطاقة.
سؤال
Decide whether the given number is a solution to the equation preceding it.
7p + 5p - 4 = 32; 3

A) No
B) Yes
سؤال
Decide whether the given number is a solution to the equation preceding it.
9m + 8 = 46; 4

A) No
B) Yes
سؤال
Solve the equation.
4z + 12 = 3z + 4

A) {16}
B) {-16}
C) {-8}
D) {8}
سؤال
Decide whether the given number is a solution to the equation preceding it.
<strong>Decide whether the given number is a solution to the equation preceding it.  </strong> A) No B) Yes <div style=padding-top: 35px>

A) No
B) Yes
سؤال
Solve the equation.
3(y + 3) = 4(y - 8)

A) {23}
B) {41}
C) {-23}
D) {-41}
سؤال
Solve the equation.
10y = 3y + 8 + 6y

A) {8}
B) {80}
C) {-8}
D) {-80}
سؤال
Solve the equation.
4(2z - 2) = 7(z + 4)

A) {36}
B) {24}
C) {-20}
D) {20}
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A)   B) 45 C) - 6 D) 9 <div style=padding-top: 35px>

A) <strong>Solve the equation.  </strong> A)   B) 45 C) - 6 D) 9 <div style=padding-top: 35px>
B) 45
C) - 6
D) 9
سؤال
Decide whether the given number is a solution to the equation preceding it.
<strong>Decide whether the given number is a solution to the equation preceding it.  </strong> A) Yes B) No <div style=padding-top: 35px>

A) Yes
B) No
سؤال
Decide whether the given number is a solution to the equation preceding it.
p - 3 = 4; 7

A) Yes
B) No
سؤال
Solve the equation.
13(8c - 2) = 4c - 2

A) <strong>Solve the equation. 13(8c - 2) = 4c - 2</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the equation. 13(8c - 2) = 4c - 2</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the equation. 13(8c - 2) = 4c - 2</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation. 13(8c - 2) = 4c - 2</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the equation.
-5x + 7(2x - 2) = -1 - 4x

A) {-1}
B) <strong>Solve the equation. -5x + 7(2x - 2) = -1 - 4x</strong> A) {-1} B)   C) {1} D) - 3 <div style=padding-top: 35px>
C) {1}
D) - 3
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
16m + 4 = 2(5m + 29)

A) Conditional, {-10}
B) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 16m + 4 = 2(5m + 29)</strong> A) Conditional, {-10} B) Identity, {all real numbers} C)   D) Conditional, {9} <div style=padding-top: 35px>
D) Conditional, {9}
سؤال
Decide whether the given number is a solution to the equation preceding it.
6y + 9(y - 6) = 81; 9

A) No
B) Yes
سؤال
Decide whether the given number is a solution to the equation preceding it.
<strong>Decide whether the given number is a solution to the equation preceding it.  </strong> A) Yes B) No <div style=padding-top: 35px>

A) Yes
B) No
سؤال
Solve the equation.
9x - 8x = 17

A) {-17}
B) {17}
C) {0}
D) <strong>Solve the equation. 9x - 8x = 17</strong> A) {-17} B) {17} C) {0} D)   <div style=padding-top: 35px>
سؤال
Solve the equation.
-5a + 5 + 6a = 14 - 21

A) {40}
B) {-40}
C) {12}
D) {-12}
سؤال
Decide whether the given number is a solution to the equation preceding it.
p + 11 = 25; 14

A) Yes
B) No
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A)   B)   C) - 12 D)   <div style=padding-top: 35px>

A) <strong>Solve the equation.  </strong> A)   B)   C) - 12 D)   <div style=padding-top: 35px>
B) <strong>Solve the equation.  </strong> A)   B)   C) - 12 D)   <div style=padding-top: 35px>
C) - 12
D) <strong>Solve the equation.  </strong> A)   B)   C) - 12 D)   <div style=padding-top: 35px>
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Use a calculator to help solve the equation. Round approximate answers to three places.
x + 285.992 = 226.288

A) {0.791}
B) {1.264}
C) {-59.704}
D) {512.28}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
4(4f - 18) = 16f - 72

A) Conditional, {1}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 4(4f - 18) = 16f - 72</strong> A) Conditional, {1} B)   C) Conditional, {all real numbers} D) Identity, {all real numbers} <div style=padding-top: 35px>
C) Conditional, {all real numbers}
D) Identity, {all real numbers}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-6} B)   C)   D)   <div style=padding-top: 35px>

A) Conditional, {-6}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-6} B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-6} B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-6} B)   C)   D)   <div style=padding-top: 35px>
سؤال
Use a calculator to help solve the equation. Round approximate answers to three places.
-355.825x = -478.128

A) {1.344}
B) {170,129.896}
C) {-122.303}
D) {0.744}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {3} C)   D)   <div style=padding-top: 35px>

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {3} C)   D)   <div style=padding-top: 35px>
B) Conditional, {3}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {3} C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {3} C)   D)   <div style=padding-top: 35px>
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C) Identity, {all real numbers} D) Conditional, {42} <div style=padding-top: 35px>

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C) Identity, {all real numbers} D) Conditional, {42} <div style=padding-top: 35px>
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C) Identity, {all real numbers} D) Conditional, {42} <div style=padding-top: 35px>
C) Identity, {all real numbers}
D) Conditional, {42}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {0} C) Conditional, - 3 D) Identity, {all real numbers} <div style=padding-top: 35px>

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {0} C) Conditional, - 3 D) Identity, {all real numbers} <div style=padding-top: 35px>
B) Conditional, {0}
C) Conditional, - 3
D) Identity, {all real numbers}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {8} B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>

A) Conditional, {8}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {8} B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {8} B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>
D) Identity, {all real numbers}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B) Identity, {all real numbers} C)   D)   <div style=padding-top: 35px>

A) Conditional, {-8}
B) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B) Identity, {all real numbers} C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B) Identity, {all real numbers} C)   D)   <div style=padding-top: 35px>
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
-25s - 45 + 5(5s + 10) = 0

A) Inconsistent, {all real numbers}
B) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. -25s - 45 + 5(5s + 10) = 0</strong> A) Inconsistent, {all real numbers} B) Identity, {all real numbers} C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. -25s - 45 + 5(5s + 10) = 0</strong> A) Inconsistent, {all real numbers} B) Identity, {all real numbers} C)   D)   <div style=padding-top: 35px>
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
20k + 71 = 4(5k + 17)

A) Inconsistent, {all real numbers}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 20k + 71 = 4(5k + 17)</strong> A) Inconsistent, {all real numbers} B)   C) Identity, {all real numbers} D)   <div style=padding-top: 35px>
C) Identity, {all real numbers}
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 20k + 71 = 4(5k + 17)</strong> A) Inconsistent, {all real numbers} B)   C) Identity, {all real numbers} D)   <div style=padding-top: 35px>
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Identity, {all real numbers} C) Conditional, {5} D) Conditional, {-5} <div style=padding-top: 35px>

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Identity, {all real numbers} C) Conditional, {5} D) Conditional, {-5} <div style=padding-top: 35px>
B) Identity, {all real numbers}
C) Conditional, {5}
D) Conditional, {-5}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Identity, {all real numbers} B)   C) Conditional, {5} D) Conditional, {-6} <div style=padding-top: 35px>

A) Identity, {all real numbers}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Identity, {all real numbers} B)   C) Conditional, {5} D) Conditional, {-6} <div style=padding-top: 35px>
C) Conditional, {5}
D) Conditional, {-6}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-2} B)   C)   D) Conditional, {2} <div style=padding-top: 35px>

A) Conditional, {-2}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-2} B)   C)   D) Conditional, {2} <div style=padding-top: 35px>
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-2} B)   C)   D) Conditional, {2} <div style=padding-top: 35px>
D) Conditional, {2}
سؤال
Use a calculator to help solve the equation. Round approximate answers to three places.
-251.031 = 621.153 + x

A) {-2.474}
B) {-872.184}
C) {-0.404}
D) {370.122}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
7x + 10x = -9x

A) Conditional, {26}
B) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 7x + 10x = -9x</strong> A) Conditional, {26} B) Identity, {all real numbers} C)   D) Conditional, {0} <div style=padding-top: 35px>
D) Conditional, {0}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
2(4g - 8) - 8g + 16 = 0

A) Conditional, {1}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 2(4g - 8) - 8g + 16 = 0</strong> A) Conditional, {1} B)   C) Identity, {all real numbers} D) Conditional, {all real numbers} <div style=padding-top: 35px>
C) Identity, {all real numbers}
D) Conditional, {all real numbers}
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B)   C) Identity, {all real numbers} D)   <div style=padding-top: 35px>

A) Conditional, {-8}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B)   C) Identity, {all real numbers} D)   <div style=padding-top: 35px>
C) Identity, {all real numbers}
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B)   C) Identity, {all real numbers} D)   <div style=padding-top: 35px>
سؤال
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>
D) Identity, {all real numbers}
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A) {72} B) {-72} C) {-69} D) {69} <div style=padding-top: 35px>

A) {72}
B) {-72}
C) {-69}
D) {69}
سؤال
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {0, 4} B) {0} C) {-4, 4} D) {-4, 0} <div style=padding-top: 35px>

A) {0, 4}
B) {0}
C) {-4, 4}
D) {-4, 0}
سؤال
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A) {-0.312} B) {-175,566.36} C) {-3.206} D) {-516.292} <div style=padding-top: 35px>

A) {-0.312}
B) {-175,566.36}
C) {-3.206}
D) {-516.292}
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>

A) <strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the equation.
-3.8q + 1.2 = -25.8 - 1.1q

A) {7.4}
B) {10}
C) {-30}
D) {7.1}
سؤال
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>

A) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Use a calculator to help solve the equation. Round approximate answers to three places.
-2.7q + 1.4 = -12.1 - 1.2q

A) {5.000}
B) {-15}
C) {9}
D) {5.444}
سؤال
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A) {1.183} B) {-0.317} C) {0.883} D) {0.083} <div style=padding-top: 35px>

A) {1.183}
B) {-0.317}
C) {0.883}
D) {0.083}
سؤال
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A)   B) {-1.550} C) {1.550} D) {2.950} <div style=padding-top: 35px>

A) <strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A)   B) {-1.550} C) {1.550} D) {2.950} <div style=padding-top: 35px>
B) {-1.550}
C) {1.550}
D) {2.950}
سؤال
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {8} B) {-8, 0} C)   D) {8, 0} <div style=padding-top: 35px>

A) {8}
B) {-8, 0}
C) <strong>Solve the absolute value equation.  </strong> A) {8} B) {-8, 0} C)   D) {8, 0} <div style=padding-top: 35px>
D) {8, 0}
سؤال
Solve the equation.
2(x + 2) = 2 - 4(x + 2)

A) <strong>Solve the equation. 2(x + 2) = 2 - 4(x + 2)</strong> A)   B) {10} C)   D)   <div style=padding-top: 35px>
B) {10}
C) <strong>Solve the equation. 2(x + 2) = 2 - 4(x + 2)</strong> A)   B) {10} C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation. 2(x + 2) = 2 - 4(x + 2)</strong> A)   B) {10} C)   D)   <div style=padding-top: 35px>
سؤال
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A) {-1.94} B) {-1.04} C) {-2.64} D) {-2.24} <div style=padding-top: 35px>

A) {-1.94}
B) {-1.04}
C) {-2.64}
D) {-2.24}
سؤال
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {-12, 12} B) {-4, 12} C) {-22, 12} D) {14, 12} <div style=padding-top: 35px>

A) {-12, 12}
B) {-4, 12}
C) {-22, 12}
D) {14, 12}
سؤال
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {5} B)   C)   D) {-5} <div style=padding-top: 35px>

A) {5}
B) <strong>Solve the absolute value equation.  </strong> A) {5} B)   C)   D) {-5} <div style=padding-top: 35px>
C) <strong>Solve the absolute value equation.  </strong> A) {5} B)   C)   D) {-5} <div style=padding-top: 35px>
D) {-5}
سؤال
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {4, -4} B) {16} C) {4} D) {-4} <div style=padding-top: 35px>

A) {4, -4}
B) {16}
C) {4}
D) {-4}
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A)   B) {-4} C) {-8} D) {8} <div style=padding-top: 35px>

A) <strong>Solve the equation.  </strong> A)   B) {-4} C) {-8} D) {8} <div style=padding-top: 35px>
B) {-4}
C) {-8}
D) {8}
سؤال
Solve the absolute value equation.
4 <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>

A) <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>

A) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A) {-0.307} B) {-0.378} C) {0.389} D) {0.378} <div style=padding-top: 35px>

A) {-0.307}
B) {-0.378}
C) {0.389}
D) {0.378}
سؤال
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {82} B) {82, -58} C) {-58} D) {58, -82} <div style=padding-top: 35px>

A) {82}
B) {82, -58}
C) {-58}
D) {58, -82}
سؤال
Solve the problem.
The temperature of water in a certain lake on a day in October can be determined by using the model y = 15.2 - 0.537x where x is the number of feet down from the surface of the lake and y is the Celsius
Temperature of the water at that depth. Based on this model, how deep in the lake is the water 8 degrees?
(Round to the nearest foot.)

A) 32 ft
B) 69 ft
C) 13 ft
D) 43 ft
سؤال
Solve the formula for the specified variable.
<strong>Solve the formula for the specified variable.   for n</strong> A)   B)   C) n = IR(Ir - E) D)   <div style=padding-top: 35px> for n

A) <strong>Solve the formula for the specified variable.   for n</strong> A)   B)   C) n = IR(Ir - E) D)   <div style=padding-top: 35px>
B) <strong>Solve the formula for the specified variable.   for n</strong> A)   B)   C) n = IR(Ir - E) D)   <div style=padding-top: 35px>
C) n = IR(Ir - E)
D) <strong>Solve the formula for the specified variable.   for n</strong> A)   B)   C) n = IR(Ir - E) D)   <div style=padding-top: 35px>
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A)   B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>

A) <strong>Solve the equation.  </strong> A)   B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>
B) <strong>Solve the equation.  </strong> A)   B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>
C) <strong>Solve the equation.  </strong> A)   B)   C)   D) Identity, {all real numbers} <div style=padding-top: 35px>
D) Identity, {all real numbers}
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A)   B) Identity, {all real numbers} C)   D)   <div style=padding-top: 35px>

A) <strong>Solve the equation.  </strong> A)   B) Identity, {all real numbers} C)   D)   <div style=padding-top: 35px>
B) Identity, {all real numbers}
C) <strong>Solve the equation.  </strong> A)   B) Identity, {all real numbers} C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation.  </strong> A)   B) Identity, {all real numbers} C)   D)   <div style=padding-top: 35px>
سؤال
Solve the problem.
Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.

A) <strong>Solve the problem. Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the problem. Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the problem. Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the problem. Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the problem.
A repair company's charge for repairing a certain type of copy machine fits the model y = 47.38 + 0.617x where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many
Minutes would it take for the cost of repair to reach $120? (Round to the nearest minute.)

A) 118 min
B) 12 min
C) 271 min
D) 187 min
سؤال
Solve the formula for the specified variable.
F = <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)   <div style=padding-top: 35px> C + 32 for C

A) <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the formula for the specified variable.
V = <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)   <div style=padding-top: 35px> Bh for B

A) <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the problem.
In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = <strong>Solve the problem. In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y =   . How many hours of study are needed to score 87? Round to the nearest hundredth of an hour.</strong> A) 2.26 hr B) 6.02 hr C) 101.09 hr D) 22.60 hr <div style=padding-top: 35px> . How many hours of study are needed to score 87? Round to the nearest hundredth of an hour.

A) 2.26 hr
B) 6.02 hr
C) 101.09 hr
D) 22.60 hr
سؤال
Solve the problem.
The temperature, t, in degrees Fahrenheit, of water being heated is <strong>Solve the problem. The temperature, t, in degrees Fahrenheit, of water being heated is   where m is the number of minutes since heating began. How long will it take for the temperature of the water to reach 70 degrees Fahrenheit?</strong> A) 9 min B) 3 min C) 6 min D) 18 min <div style=padding-top: 35px> where m is the number of minutes since heating began. How long will it take for the temperature of the water to reach 70 degrees Fahrenheit?

A) 9 min
B) 3 min
C) 6 min
D) 18 min
سؤال
Solve the problem.
Mark has $75 to spend on salmon at $5.00 per pound and/or chicken at $3.00 per pound. If he buys s pounds of salmon and c pounds of chicken, the equation 5s + 3c = 75 must be satisfied. How much salmon did Mark buy if
He bought 5 pounds of chicken?

A) 12 lb
B) 16 lb
C) 19 lb
D) 17 lb
سؤال
Solve the formula for the specified variable.
A = <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)   <div style=padding-top: 35px> bh for b

A) <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the formula for the specified variable.
S = <strong>Solve the formula for the specified variable. S =   for h</strong> A) h = S - r B)   C)   D)   <div style=padding-top: 35px> for h

A) h = S - r
B) <strong>Solve the formula for the specified variable. S =   for h</strong> A) h = S - r B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the formula for the specified variable. S =   for h</strong> A) h = S - r B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the formula for the specified variable. S =   for h</strong> A) h = S - r B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the formula for the specified variable.
P = s <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>

A) <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the problem.
When going more than 38 miles per hour, the gas mileage of a certain car fits the model y = 43.81 - 0.395x where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what
Speed will the car average 15 miles per gallon? (Round to nearest whole number.)

A) 98 mph
B) 48 mph
C) 149 mph
D) 73 mph
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A) {-1} B) {1} C) {-20} D)   <div style=padding-top: 35px>

A) {-1}
B) {1}
C) {-20}
D) <strong>Solve the equation.  </strong> A) {-1} B) {1} C) {-20} D)   <div style=padding-top: 35px>
سؤال
Solve the problem.
Yearly sales at a certain department store follow the model y = 85 - 13.254x where y is the total sales in thousands of dollars and x is the number of years after 1992. In what year will the sales first be less than
$35,000?

A) 1996
B) 1995
C) 1990
D) 1989
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>

A) <strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
B) <strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
C) <strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation.  </strong> A)   B)   C)   D)   <div style=padding-top: 35px>
سؤال
Solve the equation.
<strong>Solve the equation.  </strong> A) {-3} B) {3} C)   D)   <div style=padding-top: 35px>

A) {-3}
B) {3}
C) <strong>Solve the equation.  </strong> A) {-3} B) {3} C)   D)   <div style=padding-top: 35px>
D) <strong>Solve the equation.  </strong> A) {-3} B) {3} C)   D)   <div style=padding-top: 35px>
سؤال
Solve the problem.
Suppose a cost-benefit model is given by <strong>Solve the problem. Suppose a cost-benefit model is given by   , where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 40% to the nearest dollar.</strong> A) $666 B) $1760 C) $2933 D) $4400 <div style=padding-top: 35px> , where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 40% to the nearest dollar.

A) $666
B) $1760
C) $2933
D) $4400
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Deck 1: Equations, Inequalities, and Modeling
1
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
3(8t + 10) = 6(2t + 3)

A) Identity, {all real numbers}
B) Conditional, {-1}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 3(8t + 10) = 6(2t + 3)</strong> A) Identity, {all real numbers} B) Conditional, {-1} C)   D) Conditional, {-4}
D) Conditional, {-4}
Conditional, {-1}
2
Decide whether the given number is a solution to the equation preceding it.
7p + 5p - 4 = 32; 3

A) No
B) Yes
Yes
3
Decide whether the given number is a solution to the equation preceding it.
9m + 8 = 46; 4

A) No
B) Yes
No
4
Solve the equation.
4z + 12 = 3z + 4

A) {16}
B) {-16}
C) {-8}
D) {8}
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5
Decide whether the given number is a solution to the equation preceding it.
<strong>Decide whether the given number is a solution to the equation preceding it.  </strong> A) No B) Yes

A) No
B) Yes
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6
Solve the equation.
3(y + 3) = 4(y - 8)

A) {23}
B) {41}
C) {-23}
D) {-41}
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7
Solve the equation.
10y = 3y + 8 + 6y

A) {8}
B) {80}
C) {-8}
D) {-80}
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8
Solve the equation.
4(2z - 2) = 7(z + 4)

A) {36}
B) {24}
C) {-20}
D) {20}
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9
Solve the equation.
<strong>Solve the equation.  </strong> A)   B) 45 C) - 6 D) 9

A) <strong>Solve the equation.  </strong> A)   B) 45 C) - 6 D) 9
B) 45
C) - 6
D) 9
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10
Decide whether the given number is a solution to the equation preceding it.
<strong>Decide whether the given number is a solution to the equation preceding it.  </strong> A) Yes B) No

A) Yes
B) No
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11
Decide whether the given number is a solution to the equation preceding it.
p - 3 = 4; 7

A) Yes
B) No
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12
Solve the equation.
13(8c - 2) = 4c - 2

A) <strong>Solve the equation. 13(8c - 2) = 4c - 2</strong> A)   B)   C)   D)
B) <strong>Solve the equation. 13(8c - 2) = 4c - 2</strong> A)   B)   C)   D)
C) <strong>Solve the equation. 13(8c - 2) = 4c - 2</strong> A)   B)   C)   D)
D) <strong>Solve the equation. 13(8c - 2) = 4c - 2</strong> A)   B)   C)   D)
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13
Solve the equation.
-5x + 7(2x - 2) = -1 - 4x

A) {-1}
B) <strong>Solve the equation. -5x + 7(2x - 2) = -1 - 4x</strong> A) {-1} B)   C) {1} D) - 3
C) {1}
D) - 3
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14
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
16m + 4 = 2(5m + 29)

A) Conditional, {-10}
B) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 16m + 4 = 2(5m + 29)</strong> A) Conditional, {-10} B) Identity, {all real numbers} C)   D) Conditional, {9}
D) Conditional, {9}
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15
Decide whether the given number is a solution to the equation preceding it.
6y + 9(y - 6) = 81; 9

A) No
B) Yes
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16
Decide whether the given number is a solution to the equation preceding it.
<strong>Decide whether the given number is a solution to the equation preceding it.  </strong> A) Yes B) No

A) Yes
B) No
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17
Solve the equation.
9x - 8x = 17

A) {-17}
B) {17}
C) {0}
D) <strong>Solve the equation. 9x - 8x = 17</strong> A) {-17} B) {17} C) {0} D)
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18
Solve the equation.
-5a + 5 + 6a = 14 - 21

A) {40}
B) {-40}
C) {12}
D) {-12}
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19
Decide whether the given number is a solution to the equation preceding it.
p + 11 = 25; 14

A) Yes
B) No
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20
Solve the equation.
<strong>Solve the equation.  </strong> A)   B)   C) - 12 D)

A) <strong>Solve the equation.  </strong> A)   B)   C) - 12 D)
B) <strong>Solve the equation.  </strong> A)   B)   C) - 12 D)
C) - 12
D) <strong>Solve the equation.  </strong> A)   B)   C) - 12 D)
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21
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D)
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22
Use a calculator to help solve the equation. Round approximate answers to three places.
x + 285.992 = 226.288

A) {0.791}
B) {1.264}
C) {-59.704}
D) {512.28}
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23
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
4(4f - 18) = 16f - 72

A) Conditional, {1}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 4(4f - 18) = 16f - 72</strong> A) Conditional, {1} B)   C) Conditional, {all real numbers} D) Identity, {all real numbers}
C) Conditional, {all real numbers}
D) Identity, {all real numbers}
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24
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-6} B)   C)   D)

A) Conditional, {-6}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-6} B)   C)   D)
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-6} B)   C)   D)
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-6} B)   C)   D)
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25
Use a calculator to help solve the equation. Round approximate answers to three places.
-355.825x = -478.128

A) {1.344}
B) {170,129.896}
C) {-122.303}
D) {0.744}
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26
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {3} C)   D)

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {3} C)   D)
B) Conditional, {3}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {3} C)   D)
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {3} C)   D)
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27
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C) Identity, {all real numbers} D) Conditional, {42}

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C) Identity, {all real numbers} D) Conditional, {42}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C) Identity, {all real numbers} D) Conditional, {42}
C) Identity, {all real numbers}
D) Conditional, {42}
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28
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {0} C) Conditional, - 3 D) Identity, {all real numbers}

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Conditional, {0} C) Conditional, - 3 D) Identity, {all real numbers}
B) Conditional, {0}
C) Conditional, - 3
D) Identity, {all real numbers}
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29
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {8} B)   C)   D) Identity, {all real numbers}

A) Conditional, {8}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {8} B)   C)   D) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {8} B)   C)   D) Identity, {all real numbers}
D) Identity, {all real numbers}
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30
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B) Identity, {all real numbers} C)   D)

A) Conditional, {-8}
B) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B) Identity, {all real numbers} C)   D)
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B) Identity, {all real numbers} C)   D)
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31
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
-25s - 45 + 5(5s + 10) = 0

A) Inconsistent, {all real numbers}
B) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. -25s - 45 + 5(5s + 10) = 0</strong> A) Inconsistent, {all real numbers} B) Identity, {all real numbers} C)   D)
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. -25s - 45 + 5(5s + 10) = 0</strong> A) Inconsistent, {all real numbers} B) Identity, {all real numbers} C)   D)
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32
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
20k + 71 = 4(5k + 17)

A) Inconsistent, {all real numbers}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 20k + 71 = 4(5k + 17)</strong> A) Inconsistent, {all real numbers} B)   C) Identity, {all real numbers} D)
C) Identity, {all real numbers}
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 20k + 71 = 4(5k + 17)</strong> A) Inconsistent, {all real numbers} B)   C) Identity, {all real numbers} D)
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33
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Identity, {all real numbers} C) Conditional, {5} D) Conditional, {-5}

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B) Identity, {all real numbers} C) Conditional, {5} D) Conditional, {-5}
B) Identity, {all real numbers}
C) Conditional, {5}
D) Conditional, {-5}
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34
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Identity, {all real numbers} B)   C) Conditional, {5} D) Conditional, {-6}

A) Identity, {all real numbers}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Identity, {all real numbers} B)   C) Conditional, {5} D) Conditional, {-6}
C) Conditional, {5}
D) Conditional, {-6}
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35
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-2} B)   C)   D) Conditional, {2}

A) Conditional, {-2}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-2} B)   C)   D) Conditional, {2}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-2} B)   C)   D) Conditional, {2}
D) Conditional, {2}
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36
Use a calculator to help solve the equation. Round approximate answers to three places.
-251.031 = 621.153 + x

A) {-2.474}
B) {-872.184}
C) {-0.404}
D) {370.122}
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37
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
7x + 10x = -9x

A) Conditional, {26}
B) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 7x + 10x = -9x</strong> A) Conditional, {26} B) Identity, {all real numbers} C)   D) Conditional, {0}
D) Conditional, {0}
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38
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
2(4g - 8) - 8g + 16 = 0

A) Conditional, {1}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation. 2(4g - 8) - 8g + 16 = 0</strong> A) Conditional, {1} B)   C) Identity, {all real numbers} D) Conditional, {all real numbers}
C) Identity, {all real numbers}
D) Conditional, {all real numbers}
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39
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B)   C) Identity, {all real numbers} D)

A) Conditional, {-8}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B)   C) Identity, {all real numbers} D)
C) Identity, {all real numbers}
D) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A) Conditional, {-8} B)   C) Identity, {all real numbers} D)
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40
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
<strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D) Identity, {all real numbers}

A) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D) Identity, {all real numbers}
B) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D) Identity, {all real numbers}
C) <strong>Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.  </strong> A)   B)   C)   D) Identity, {all real numbers}
D) Identity, {all real numbers}
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41
Solve the equation.
<strong>Solve the equation.  </strong> A) {72} B) {-72} C) {-69} D) {69}

A) {72}
B) {-72}
C) {-69}
D) {69}
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42
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {0, 4} B) {0} C) {-4, 4} D) {-4, 0}

A) {0, 4}
B) {0}
C) {-4, 4}
D) {-4, 0}
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43
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A) {-0.312} B) {-175,566.36} C) {-3.206} D) {-516.292}

A) {-0.312}
B) {-175,566.36}
C) {-3.206}
D) {-516.292}
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44
Solve the equation.
<strong>Solve the equation.  </strong> A)   B)   C)   D)

A) <strong>Solve the equation.  </strong> A)   B)   C)   D)
B) <strong>Solve the equation.  </strong> A)   B)   C)   D)
C) <strong>Solve the equation.  </strong> A)   B)   C)   D)
D) <strong>Solve the equation.  </strong> A)   B)   C)   D)
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45
Solve the equation.
-3.8q + 1.2 = -25.8 - 1.1q

A) {7.4}
B) {10}
C) {-30}
D) {7.1}
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46
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)

A) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)
B) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)
C) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)
D) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)
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47
Use a calculator to help solve the equation. Round approximate answers to three places.
-2.7q + 1.4 = -12.1 - 1.2q

A) {5.000}
B) {-15}
C) {9}
D) {5.444}
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48
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A) {1.183} B) {-0.317} C) {0.883} D) {0.083}

A) {1.183}
B) {-0.317}
C) {0.883}
D) {0.083}
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49
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A)   B) {-1.550} C) {1.550} D) {2.950}

A) <strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A)   B) {-1.550} C) {1.550} D) {2.950}
B) {-1.550}
C) {1.550}
D) {2.950}
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50
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {8} B) {-8, 0} C)   D) {8, 0}

A) {8}
B) {-8, 0}
C) <strong>Solve the absolute value equation.  </strong> A) {8} B) {-8, 0} C)   D) {8, 0}
D) {8, 0}
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51
Solve the equation.
2(x + 2) = 2 - 4(x + 2)

A) <strong>Solve the equation. 2(x + 2) = 2 - 4(x + 2)</strong> A)   B) {10} C)   D)
B) {10}
C) <strong>Solve the equation. 2(x + 2) = 2 - 4(x + 2)</strong> A)   B) {10} C)   D)
D) <strong>Solve the equation. 2(x + 2) = 2 - 4(x + 2)</strong> A)   B) {10} C)   D)
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52
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A) {-1.94} B) {-1.04} C) {-2.64} D) {-2.24}

A) {-1.94}
B) {-1.04}
C) {-2.64}
D) {-2.24}
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53
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {-12, 12} B) {-4, 12} C) {-22, 12} D) {14, 12}

A) {-12, 12}
B) {-4, 12}
C) {-22, 12}
D) {14, 12}
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54
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {5} B)   C)   D) {-5}

A) {5}
B) <strong>Solve the absolute value equation.  </strong> A) {5} B)   C)   D) {-5}
C) <strong>Solve the absolute value equation.  </strong> A) {5} B)   C)   D) {-5}
D) {-5}
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55
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {4, -4} B) {16} C) {4} D) {-4}

A) {4, -4}
B) {16}
C) {4}
D) {-4}
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56
Solve the equation.
<strong>Solve the equation.  </strong> A)   B) {-4} C) {-8} D) {8}

A) <strong>Solve the equation.  </strong> A)   B) {-4} C) {-8} D) {8}
B) {-4}
C) {-8}
D) {8}
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57
Solve the absolute value equation.
4 <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)

A) <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)
B) <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)
C) <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)
D) <strong>Solve the absolute value equation. 4  </strong> A)   B)   C)   D)
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58
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)

A) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)
B) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)
C) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)
D) <strong>Solve the absolute value equation.  </strong> A)   B)   C)   D)
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59
Use a calculator to help solve the equation. Round approximate answers to three places.
<strong>Use a calculator to help solve the equation. Round approximate answers to three places.  </strong> A) {-0.307} B) {-0.378} C) {0.389} D) {0.378}

A) {-0.307}
B) {-0.378}
C) {0.389}
D) {0.378}
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60
Solve the absolute value equation.
<strong>Solve the absolute value equation.  </strong> A) {82} B) {82, -58} C) {-58} D) {58, -82}

A) {82}
B) {82, -58}
C) {-58}
D) {58, -82}
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61
Solve the problem.
The temperature of water in a certain lake on a day in October can be determined by using the model y = 15.2 - 0.537x where x is the number of feet down from the surface of the lake and y is the Celsius
Temperature of the water at that depth. Based on this model, how deep in the lake is the water 8 degrees?
(Round to the nearest foot.)

A) 32 ft
B) 69 ft
C) 13 ft
D) 43 ft
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62
Solve the formula for the specified variable.
<strong>Solve the formula for the specified variable.   for n</strong> A)   B)   C) n = IR(Ir - E) D)   for n

A) <strong>Solve the formula for the specified variable.   for n</strong> A)   B)   C) n = IR(Ir - E) D)
B) <strong>Solve the formula for the specified variable.   for n</strong> A)   B)   C) n = IR(Ir - E) D)
C) n = IR(Ir - E)
D) <strong>Solve the formula for the specified variable.   for n</strong> A)   B)   C) n = IR(Ir - E) D)
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63
Solve the equation.
<strong>Solve the equation.  </strong> A)   B)   C)   D) Identity, {all real numbers}

A) <strong>Solve the equation.  </strong> A)   B)   C)   D) Identity, {all real numbers}
B) <strong>Solve the equation.  </strong> A)   B)   C)   D) Identity, {all real numbers}
C) <strong>Solve the equation.  </strong> A)   B)   C)   D) Identity, {all real numbers}
D) Identity, {all real numbers}
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64
Solve the equation.
<strong>Solve the equation.  </strong> A)   B) Identity, {all real numbers} C)   D)

A) <strong>Solve the equation.  </strong> A)   B) Identity, {all real numbers} C)   D)
B) Identity, {all real numbers}
C) <strong>Solve the equation.  </strong> A)   B) Identity, {all real numbers} C)   D)
D) <strong>Solve the equation.  </strong> A)   B) Identity, {all real numbers} C)   D)
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65
Solve the problem.
Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.

A) <strong>Solve the problem. Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.</strong> A)   B)   C)   D)
B) <strong>Solve the problem. Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.</strong> A)   B)   C)   D)
C) <strong>Solve the problem. Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.</strong> A)   B)   C)   D)
D) <strong>Solve the problem. Median family income in Country X between 1990 and 1999 can be modeled by f(x) = 1174.6(x - 1990) + 35,265, where x is the year. Determine symbolically when the median income was $42,092.</strong> A)   B)   C)   D)
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66
Solve the problem.
A repair company's charge for repairing a certain type of copy machine fits the model y = 47.38 + 0.617x where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many
Minutes would it take for the cost of repair to reach $120? (Round to the nearest minute.)

A) 118 min
B) 12 min
C) 271 min
D) 187 min
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67
Solve the formula for the specified variable.
F = <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)   C + 32 for C

A) <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)
B) <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)
C) <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)
D) <strong>Solve the formula for the specified variable. F =   C + 32 for C</strong> A)   B)   C)   D)
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68
Solve the formula for the specified variable.
V = <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)   Bh for B

A) <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)
B) <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)
C) <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)
D) <strong>Solve the formula for the specified variable. V =   Bh for B</strong> A)   B)   C)   D)
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69
Solve the problem.
In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y = <strong>Solve the problem. In the following formula, y is the minimum number of hours of studying required to attain a test score of x: y =   . How many hours of study are needed to score 87? Round to the nearest hundredth of an hour.</strong> A) 2.26 hr B) 6.02 hr C) 101.09 hr D) 22.60 hr . How many hours of study are needed to score 87? Round to the nearest hundredth of an hour.

A) 2.26 hr
B) 6.02 hr
C) 101.09 hr
D) 22.60 hr
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70
Solve the problem.
The temperature, t, in degrees Fahrenheit, of water being heated is <strong>Solve the problem. The temperature, t, in degrees Fahrenheit, of water being heated is   where m is the number of minutes since heating began. How long will it take for the temperature of the water to reach 70 degrees Fahrenheit?</strong> A) 9 min B) 3 min C) 6 min D) 18 min where m is the number of minutes since heating began. How long will it take for the temperature of the water to reach 70 degrees Fahrenheit?

A) 9 min
B) 3 min
C) 6 min
D) 18 min
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71
Solve the problem.
Mark has $75 to spend on salmon at $5.00 per pound and/or chicken at $3.00 per pound. If he buys s pounds of salmon and c pounds of chicken, the equation 5s + 3c = 75 must be satisfied. How much salmon did Mark buy if
He bought 5 pounds of chicken?

A) 12 lb
B) 16 lb
C) 19 lb
D) 17 lb
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72
Solve the formula for the specified variable.
A = <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)   bh for b

A) <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)
B) <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)
C) <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)
D) <strong>Solve the formula for the specified variable. A =   bh for b</strong> A)   B)   C)   D)
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73
Solve the formula for the specified variable.
S = <strong>Solve the formula for the specified variable. S =   for h</strong> A) h = S - r B)   C)   D)   for h

A) h = S - r
B) <strong>Solve the formula for the specified variable. S =   for h</strong> A) h = S - r B)   C)   D)
C) <strong>Solve the formula for the specified variable. S =   for h</strong> A) h = S - r B)   C)   D)
D) <strong>Solve the formula for the specified variable. S =   for h</strong> A) h = S - r B)   C)   D)
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74
Solve the formula for the specified variable.
P = s <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)

A) <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)
B) <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)
C) <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)
D) <strong>Solve the formula for the specified variable. P = s  </strong> A)   B)   C)   D)
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75
Solve the problem.
When going more than 38 miles per hour, the gas mileage of a certain car fits the model y = 43.81 - 0.395x where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what
Speed will the car average 15 miles per gallon? (Round to nearest whole number.)

A) 98 mph
B) 48 mph
C) 149 mph
D) 73 mph
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76
Solve the equation.
<strong>Solve the equation.  </strong> A) {-1} B) {1} C) {-20} D)

A) {-1}
B) {1}
C) {-20}
D) <strong>Solve the equation.  </strong> A) {-1} B) {1} C) {-20} D)
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77
Solve the problem.
Yearly sales at a certain department store follow the model y = 85 - 13.254x where y is the total sales in thousands of dollars and x is the number of years after 1992. In what year will the sales first be less than
$35,000?

A) 1996
B) 1995
C) 1990
D) 1989
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78
Solve the equation.
<strong>Solve the equation.  </strong> A)   B)   C)   D)

A) <strong>Solve the equation.  </strong> A)   B)   C)   D)
B) <strong>Solve the equation.  </strong> A)   B)   C)   D)
C) <strong>Solve the equation.  </strong> A)   B)   C)   D)
D) <strong>Solve the equation.  </strong> A)   B)   C)   D)
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79
Solve the equation.
<strong>Solve the equation.  </strong> A) {-3} B) {3} C)   D)

A) {-3}
B) {3}
C) <strong>Solve the equation.  </strong> A) {-3} B) {3} C)   D)
D) <strong>Solve the equation.  </strong> A) {-3} B) {3} C)   D)
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80
Solve the problem.
Suppose a cost-benefit model is given by <strong>Solve the problem. Suppose a cost-benefit model is given by   , where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 40% to the nearest dollar.</strong> A) $666 B) $1760 C) $2933 D) $4400 , where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 40% to the nearest dollar.

A) $666
B) $1760
C) $2933
D) $4400
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