Square and Cube Root Review

If a square has an area of 25, what are the side lengths?

 $-\sqrt{144}$  

• 12

• -12

• -72

• none of the above (imaginary number) 

 $\sqrt{-144}$  

• 12

• -12

• 72

• none of the above 

 $3_{\sqrt{8}}$    (cube root of 8) 

• 2

•  $\pm2$  

• -2

• None of the above 

 $3_{\sqrt{-1}}$  (cube root of -1)

•  $\pm1$  

• 1

• -1

• none of the above (imaginary number)

 $\sqrt{\left(\frac{16}{81}\right)}\ \ =\ ?$  

•  $\frac{8}{27}$  

•  $\frac{8}{9}$  

•  $\frac{4}{9}$  

•  $\frac{4}{3}$  

Solve for p when  $p^2=100$  

•  $\pm10$  

• 10

•  $\pm1,000$  

• 1,000

Solve for x when  $x^3=\frac{1}{8}$  

• 2

•  $\frac{1}{64}$  

•  $\frac{1}{3}$  

•  $\frac{1}{2}$  

A cube with side length s has a volume of 64 cubic units. What is the length of one side?

• 4

• 8

• 16

• 32

The √40 is between which two integers?

• 7 & 8

• 6 & 7

• 5 & 6

• 4 & 5