Finding Square Roots and Cube Roots to Solve Problems

What is √49

• 6

• 7

• 8

• 9

Solve for p when p² = 100.

• 1,000

• ±10

• 0.10

• 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

• 15

• 25

Solve for x when x³ = 1/8

• x = 2
• x = 1/2
• x = 4
• x = 16

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 cm

• 10 cm

• 100 cm

• 300 cm