Square and Cube Roots

 $9^2=18$  True or false?

• True

• False

Tags

CCSS.8.EE.A.2

 $\sqrt{16}=?$  

• 8

• 2

• 4

• 32

Tags

CCSS.8.EE.A.2

 $\sqrt{-144}$  

• 12

• -12

• 72

• none of the above (imaginary number)

 $3_{\sqrt{8}}$    (cube root of 8) 

• 2

•  $\pm2$  

• -2

• None of the above 

Tags

CCSS.8.EE.A.2

Solve for x when x² = 144

• 4
• 11
• 12
• 14

Tags

CCSS.8.EE.A.2

Solve for p when p² = 100.

• 1,000
• 10
• 0.10
• -0.10

Tags

CCSS.8.EE.A.2

Solve for x when x³ = 125

• 5
• 10
• 12
• 15

Tags

CCSS.8.EE.A.2

Solve for x when x³ = 1/8

• x = 2
• x = 1/2
• x = 4
• x = 16

Tags

CCSS.8.EE.A.2

Select the answer with all perfect squares.

• -144, 9, 50, 75, 81, 100

• 9, 50, 75, 81, 100

• 9, 50, 81, 100

• 9, 81, 100

Tags

CCSS.8.EE.A.2

 $\sqrt{20}$  

• 2 $\sqrt{5}$  

• 5 $\sqrt{2}$  

•  $\sqrt{2}\sqrt{5}$  

•  $\sqrt{10}\sqrt{2}$