Quiz Review for squares & cubes

 $\sqrt{-144}$  

• 12

• -12

• 72

• none of the above

 $3_{\sqrt{8}}$    (cube root of 8) 

• 2

•  $\pm2$  

• -2

• None of the above 

The area of a square painting is 81  $cm^2$  . What is the length of one side?

• 9

• -9

• 40.5

• -40.5

Solve for p when  $p^2=100$  

•  $\pm10$  

• 10

•  $\pm1,000$  

• 1,000

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

• 4

• 8

• 16

• 32

Solve for x when x³ = 125

• 5

• 10

• 12

• 15

What number, n, cubed is equal to -216?

n³ = -216

• -6

• 6

• -7

• 72

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

•  $\frac{8}{27}$  

•  $\frac{8}{9}$  

•  $\frac{4}{9}$  

•  $\frac{4}{3}$  

13²

• 26

• 196

• 144

• 169

Solve for x when x² = 144

• 4

• 12

• 12 and -12

• 72