Square and Cube Roots

 $\sqrt{16}=?$  

• 8

• 2

• 4

• 32

Tags

CCSS.8.EE.A.2

 $9^2=18$  True or false?

• True

• False

Tags

CCSS.8.EE.A.2

 $-\sqrt{144}$  

• 12

• -12

• -72

• none of the above (imaginary number) 

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

 $-6^2$  = ? 

• 36

• -36

• 12

• -12

Tags

CCSS.6.EE.A.1

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

•  $\frac{8}{27}$  

•  $\frac{8}{9}$  

•  $\frac{4}{9}$  

•  $\frac{4}{3}$  

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

Find the cube root of 729:

• 9

• 81

• 243

Tags

CCSS.8.EE.A.2

Find the cube root of 125:

• 41.67

• 25

• 5

Tags

CCSS.8.EE.A.2

Which point most closely corresponds to ∛8 on the number line below? (Click the question to see the picture)

• P
• Q
• R
• S

Tags

CCSS.8.EE.A.2