Solving Equations with Perfect Squares, Cubes, and Roots

Write an equation for this phrase, "The square root of x is equal to 3."

• x² = 3
• x² = 9
• √x = 3
• √x = 9

Solve for x when x= √16 

• x = 2
• x = 4
• x = 8
• x = 32

Solve for p when p² = 100.

• 1,000
• 10
• 0.10
• -0.10

Solve for x when x² = 144

• 4
• 11
• 12
• 14

Solve for x when x = (3/4)²

• x = 4/3
• x = 9/4
• x = 9/16
• x = 3/16

Solve for x when x³ = 125

• 5
• 10
• 12
• 15

Solve for x when x³ = 1/8

• x = 2
• x = 1/2
• x = 4
• x = 16

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

• 2³ = √x
• 2² = √x
• 4 = √16
• √x = 2

If x³ = -27, then x equals

• -3
• -9
• +3 and -3
• +9 and -9

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

• 32 units
• 16 units
• 8 units
• 4 units