Square Roots, Cube Roots, and Estimating Roots

• 3

• 18

• 9

• 6

If x²= 100, then

• x = 10 and x = -10

• x = -10

• x = 10

• x = 50

• 3 and 4

• 4 and 5

•  8 and 9

• 7 and 8

7²

• 14

• 49

• 9

• 72

What operation will undo the square of a number. In other words, what is the opposite of squaring a number?

• Divide by 2

• Subtraction

• Square Root

• Dividing by the number

4²

• 16

• 6

• 8

• 40.5

• 9

• -2

• 2

• -4

• 4

Identify each value that is a perfect cube:

• 27

• 1,000

• 90

• 1

Find the cube root of 125:

• 41.67

• 25

• 5