Find two possible missing terms so that the expression is a perfect square trinomial.
-$x ^ { 2 } + \ldots + \frac { 9 } { 4 }$
A) $- 3 x , 3 x$
B) $- \frac { 9 } { 2 } x , \frac { 9 } { 2 } x$
C) $- \frac { 3 } { 2 } x , \frac { 3 } { 2 } x$
D) $- 9 x , 9 x$

Question

Quizplus · Accepted Answer

The missing term to form a perfect square trinomial is $2ab$, where $a = x$ and $b = \frac{3}{2}$, so $2ab = 2 \cdot x \cdot \frac{3}{2} = 3x$. Thus, the terms are $-3x$ and $3x$.

Find Two Possible Missing Terms So That the Expression Is x2+…+94x ^ { 2 } + \ldots + \frac { 9 } { 4 }x2+…+49​

Find Two Possible Missing Terms So That the Expression Is $x ^ { 2 } + \ldots + \frac { 9 } { 4 }$