Cube and Square Root

• 9

• -9

• 40.5

• -40.5

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

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 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

A square with side length s has an area of 0.81 square units. What is the length of the side of the square?

• 0.9 units

• 0.6561 units

• 0.405 units

• 0.3 units

The volume of a cube is 1,000 cm³. What is the length of each side of the cube? 

• 1

• 10

• 100

• 300