square roots, cube roots review

The √20 is between which two integers?

• 2 & 3
• 3 & 4
• 4 & 5
• 5 & 6

Estimate the square root.

• 9

• 10

• 11

• 12

Which of the following is a perfect square?

• 39
• 50
• 6
• 81

The area of a square is 36 cm².  What is the length of one side?

• 6 cm
• 24 cm
• 9 cm
• 9 cm

If I know the area of a square, how do I find the side length?

• I square the area.
• I divide the area by 2.
• I take the square root of the area.
• I divide the area by 4.

x² = 121
What does x equal?

• 11²
• 11 and -11
• 20 and 11
• 12 and 1

What number, n, cubed is equal to 64?

n³ = 64

• 4

• 2

• 8

• 262,144

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

• 64

• 27

• 81

• 16

Evaluate ∛1

• 1

• 2

• 3

• 4

What is the cube root of 27?

• 9
• 3
• -3
• -9