Formative 8.E Review

Factor Completely  $x^2-49$  . If not factorable, select Prime.

•  $\left(x-7\right)^2$  

•  $\left(x+7\right)^2$  

•  $\left(x+7\right)\left(x-7\right)$  

• Prime

Factor Completely  $x^2+121$  . If not factorable, select Prime.

•  $\left(x-11\right)^2$  

•  $\left(x+11\right)^2$  

•  $\left(x+11\right)\left(x-11\right)$  

• Prime

Factor Completely  $x^2-81$  . If not factorable, select Prime.

•  $\left(x-9^2\right)$  

•  $\left(x+9\right)^2$  

•  $\left(x+9\right)\left(x-9\right)$  

• Prime

Factor Completely  $x^2-14x+49$  . If not factorable, select Prime.

•  $\left(x-7\right)^2$  

•  $\left(x+7\right)^2$  

•  $\left(x+7\right)\left(x-7\right)$  

• Prime

Factor Completely  $16a^2+56ab+49b^2$  . If not factorable, select Prime.

•  $\left(4a-7b\right)^2$  

•  $\left(4a+7b\right)^2$  

•  $\left(4a+7b\right)\left(4a-7b\right)$  

• Prime

Factor Completely  $x^2+12x+36$  . If not factorable, select Prime.

•  $\left(x-6\right)^2$  

•  $\left(x+6\right)^2$  

•  $\left(x+6\right)\left(x-6\right)$  

• Prime

Factor Completely  $4x^2-49$  . If not factorable, select Prime.

•  $\left(2x-7\right)^2$  

•  $\left(2x+7\right)^2$  

•  $\left(2x+7\right)\left(2x-7\right)$  

• Prime

Factor Completely  $x^2-12x+36$  . If not factorable, select Prime.

•  $\left(x-6\right)^2$  

•  $\left(x+6\right)^2$  

•  $\left(x+6\right)\left(x-6\right)$  

• Prime

Factor Completely  $x^2-20x-100$  . If not factorable, select Prime.

•  $\left(x-10\right)^2$  

•  $\left(x+10\right)^2$  

•  $\left(x+10\right)\left(x-10\right)$  

• Prime

Factor Completely  $9m^2-30mn+25n^2$  . If not factorable, select Prime.

•  $\left(3m-5n\right)^2$  

•  $\left(3m+5n\right)^2$  

•  $\left(3m+5n\right)\left(3m-5n\right)$  

• Prime