Squares and Cubes

Shelly has a square kitchen table top with the area of 20.25 square feet. How long is each side of her table?

• 5 ft

• 4 ft

• 4.5 ft

• 5 ft²

x³ = 1728

• x = 11

• x = 12

• x = 42

• x = 41

The cube root of 8000 is

• 268.3

• 20

• 200

• 89.4

Cubing a number means multiplying a number by itself 3 times.

• True

• False

A square field has 3,844 sq. meters of land.  What is the width of the field?

• 480.5 meters

• 62 meters

• 248 meters

• 961 meters

• 6 cm

• 7 cm

• 8 cm

x³=-27

• x=3

• x=27

• x=-3

• x=54

Symbol for "cube root"

• ∛

Solve.

x² = 289.

• x = 17

• x = -17

• x = ±17