Perfect Squares, Cubes and their Roots

What does this symbol represent?

• square root

• divide by 2

• cube root

• greater than or less than

 $9^2=18$  True or false?

• True

• False

Tags

CCSS.8.EE.A.2

Evaluate: $\sqrt{81}$  Select the TWO answers that apply

• 9

• 8

• -9

• -8

Tags

CCSS.8.EE.A.2

 $\sqrt{\frac{64}{25}}=\frac{y}{5}$  
What is y?

• 4

• 8

Tags

CCSS.8.EE.A.2

Evaluate: $\sqrt{-25}$  

•  $5$  

•  $-5$  

•  $\left(-5\right)^2$  

• Can't be solved

x² = 121
What does x equal?

• 11²
• 11 and -11
• 20 and 11
• 12 and 1

Tags

CCSS.8.EE.A.2

Solve the following equation for x: $x^2=\frac{1}{64}$  

Select the TWO answers that apply

•  $-\frac{1}{4}$  

•  $\frac{1}{4}$  

•  $-\frac{1}{8}$  

•  $\frac{1}{8}$  

Tags

CCSS.8.EE.A.2

A square poster has an area of 81 square inches. What is the length of each side of the square?

• 3 inches

• 9 inches

• 20.25 inches

• 40.5 inches

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Evaluate.  8³

• 512
• 398
• 43
• 764

Tags

CCSS.6.EE.A.1

 $\left(\frac{2}{3}\right)^3=$  

• 4/9

• 2/3

• 6/9

• 8/27

Tags

CCSS.8.EE.A.1