Solve the problem.
-The product of a number and 4 less than the number is 45. Find the number.
A) -5 or 9
B) -4 or 10
C) -9 or 5
D) -10 or 4

Name: Solve the problem. -The product of a number and 4 less than the number is 45. Find the number. A) -5 or 9 B) -4 or 10 C) -9 or 5 D) -10 or 4
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Question

Quizplus · Accepted Answer

The equation is x(x - 4) = 45. Solving this quadratic equation, we get x^2 - 4x - 45 = 0. Factoring or using the quadratic formula, we find the solutions x = -5 or x = 9.

Solve the Problem. -The Product of a Number and 4 Less Than the Less