Square and Cube Roots

Determine which is perfect square?

• 54

• 36

• 21

• 43

Tags

CCSS.8.EE.A.2

determine which is square root of 144

• 11

• 10

• 12

• 14

Tags

CCSS.8.EE.A.2

 $\sqrt{16}=?$  

• 8

• 2

• 4

• 32

Tags

CCSS.8.EE.A.2

 $9^2=18$  True or false?

• True

• False

Tags

CCSS.8.EE.A.2

 $3_{\sqrt{8}}$    (cube root of 8) 

• 2

•  $\pm2$  

• -2

• None of the above 

Tags

CCSS.8.EE.A.2

 $3_{\sqrt{-1}}$  (cube root of -1)

•  $\pm1$  

• 1

• -1

• none of the above (imaginary number)

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

•  $\frac{8}{27}$  

•  $\frac{8}{9}$  

•  $\frac{4}{9}$  

•  $\frac{4}{3}$  

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

• 4

• 8

• 16

• 32

Tags

CCSS.8.EE.A.2

Select the set with all perfect squares.

• -144, 9, 50, 75, 81, 100

• 9, 50, 81, 100

• 9, 50, 75, 81, 100

• 9, 81, 100

Tags

CCSS.8.EE.A.2

Solve.
√9  ×  √100

• 30
• -200
• 900
• 90