Square Roots and Radical Review

Evaluate
√36

• 6

• -9

• 18

• -18

√64=___

• + 6 only

• ± 6

• ± 8

• + 8 only

√121

• 12

• 10

• 11

• 3

√256

• 14

• 16

• 13

• 17

Square roots are the opposite of ____________.

• Cube Roots

• Squaring

• Multiplication

• Absolute Value

Find √5. Round to the nearest tenth:

• 2.2

• 2.9

• 4.1

• 3.2

• x⁴y⁴√y
• 72xy
• xy√y
• x²y³√x²

Simplify the radical...
√20a²b⁴

• 2ab²√5

• 4ab²√5

• 5ab²√2

• 2a²b²√5

Simplify √18c⁸

• 3c⁴√2

• 3c⁷√2

• 3c³√9c

• 2√3c⁸

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.