Topic 2-4 & Topic 2-5: Square Roots & Cube Roots

 $\sqrt{16}=?$  

• 8

• 2

• 4

• 32

 $9^2=18$  True or false?

• True

• False

 $-\sqrt{144}$  

• 12

• -12

• -72

• none of the above (imaginary number) 

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

• 9

• -9

• 40.5

• -40.5

 $\left(-6\right)^2$  = ?

• 12

• -12

• -36

• 36

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

Is 225 a perfect square?

• Yes
• No

13²

• 26
• 196
• 144
• 169

√ 36

• 4

• 6

• 9

• 12