For the expression,
a) determine the number of terms;
b) write down each term; and
c) write down the coefficient for each.
Be sure to simplify the expression before answering.
-$$3 \left( 9 x ^ { 2 } - x \right) + 6 x ^ { 2 } + x$$
A) a) 2
b) $- 21 x ^ { 2 } , - 2 x$
c) $- 21 , - 2$

B) a) 2
b) $15 x ^ { 2 } , - 2 x$
c) $15 , - 2$

C) a) 1
b) $33 x ^ { 2 }$
c) 33

D) a) 2
b) $33 x ^ { 2 } , - 2 x$
c) $33 , - 2$

Question

For the expression,
a) determine the number of terms;
b) write down each term; and
c) write down the coefficient for each.
Be sure to simplify the expression before answering.
-$$3 \left( 9 x ^ { 2 } - x \right) + 6 x ^ { 2 } + x$$
A) a) 2
b) $- 21 x ^ { 2 } , - 2 x$
c) $- 21 , - 2$

B) a) 2
b) $15 x ^ { 2 } , - 2 x$
c) $15 , - 2$

C) a) 1
b) $33 x ^ { 2 }$
c) 33

D) a) 2
b) $33 x ^ { 2 } , - 2 x$
c) $33 , - 2$

Quizplus · Accepted Answer

First, simplify the expression: $3(9x^2 - x) + 6x^2 + x = 27x^2 - 3x + 6x^2 + x = 33x^2 - 2x$. This shows there are 2 terms: $33x^2$ and $-2x$, with coefficients 33 and -2, respectively.

For the Expression, A) Determine the Number of Terms; B) 3(9x2−x)+6x2+x3 \left( 9 x ^ { 2 } - x \right) + 6 x ^ { 2 } + x3(9x2−x)+6x2+x

For the Expression,
A) Determine the Number of Terms;
B) $3 \left( 9 x ^ { 2 } - x \right) + 6 x ^ { 2 } + x$