Ch 6 (1-3) Review

Find the real roots of the equation.

 $4x^2-36=0$  

•  $3$  

• Not Real

•  $\left(+-\frac{1}{3}\right)$  

•  $\left(+-\right)3$  

 $x^2+5=0$  

Find the real roots of the equation.

• Not Real

•  $\sqrt{5}$  

•  $\left(+-\right)\sqrt{5}$  

•  $\left(+-\right)5$  

Simplify the expression below. If there is no real root, choose that option instead.

 $\sqrt{-36}$  

•  $6$  

•  $\left(+-\right)6$  

• Not Real

•  $-6$  

Simplify the expression below. If there is no real root, choose that option instead.

 $\sqrt{640}$  

•  $8\sqrt{10}$  

•  $4\sqrt{20}$  

•  $8\sqrt{20}$  

•  $4\sqrt{10}$  

 $\sqrt{\frac{7}{4}}$  

Simplify the expression below. If there is no real root, choose that option instead.

•  $\left(+-\right)\ \frac{\sqrt{7}}{4}$  

•  $\frac{\sqrt{7}}{4}$  

•  $\frac{\sqrt{7}}{2}$  

•  $\left(+-\right)\ \frac{\sqrt{7}}{2}$  

Simplify the expression below. If there is no real root, choose that option instead.

 $\sqrt{\frac{19}{20}}$  

•  $\frac{\sqrt{95}}{10}$  

•  $\frac{\sqrt{19}}{2}$  

•  $\frac{\sqrt{95}}{2}$  

•  $\frac{\sqrt{19}}{10}$  

Simplify the expression below. If there is no real root, choose that option instead.

 $\sqrt{75}\ +\ \sqrt{147}$  

•  $15$  

•  $15\sqrt{3}$  

•  $2\sqrt{3}$  

•  $12\sqrt{3}$  

Simplify the expression below. If there is no real root, choose that option instead.

 $\sqrt{20}+\sqrt{320}$  

•  $-6\sqrt{5}$  

•  $10\sqrt{5}$  

•  $6\sqrt{5}$  

• 30

Simplify the expression below. If there is no real root, choose that option instead.

 $6\sqrt{3}\left(7\sqrt{60}-4\sqrt{15}\right)$  

•  $180$  

•  $324\sqrt{5}$  

•  $180\sqrt{5}$  

•  $165\sqrt{5}$  

Simplify the expression below. If there is no real root, choose that option instead.

 $\sqrt{126}+\sqrt{896}$  

•  $5\sqrt{14}$  

•  $11\sqrt{14}$  

•  $\left(+-\right)11\sqrt{14}$  

•  $-5\sqrt{14}$