Solving Square and Cube Roots

Solve using square roots.

• x= ± 81

• x= ± 9

• x= ± 3

• No solution

Which number is both a perfect square and a perfect cube?

• 64

• 27

• 81

• 16

Which of the following is a perfect square?

• 39

• 6

• 50

• 81

Solve.

∛125

• 5

• 4

• 6

• 7

What is the cube root of 27?

• 9

• 3

• -3

• -9

• 25

• 125

• 625

• 50

• 8

• 9

• 7

• 6

(cube root of 8) 

• 2

• -2

• None of the above 

What is the cube root of 1000?

• 10

• 100

• 500

• 20