Square Roots, Cube Roots and Estimating

Solve for p when p² = 100.

• 1,000

• 10

• 0.10

• -0.10

Tags

CCSS.8.EE.A.2

Write an equation for this phrase, "2 cubed is equal to the square root of x." 

• 2³ = √x

• 2² = √x

• 4 = √16

• √x = 2

Given the volume, find the length of each side of the cube.

• 16

• 16 ft

• 18

• 18 ft

Tags

CCSS.8.EE.A.2

(cube root of 8) 

• 2

• -2

• None of the above 

Tags

CCSS.8.EE.A.2

• 9

• -9

• 40.5

• -40.5

Tags

CCSS.8.EE.A.2

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

Which of the following is irrational?

Tags

CCSS.8.NS.A.1

(cube root of -1)

• 1

• -1

• none of the above (imaginary number)

Tags

CCSS.8.EE.A.2

Write an equation for the phrase "Two cubed is equal to the square root of x".