Simplifying Square Roots and Cube Roots

Write an equation for this phrase, "2 cubed is equal to the square root of x." 

• 2³ = √x

• 2² = √x

• 4 = √16

• √x = 2

Write an equation for this phrase, "The square root of x is equal to 3."

• x² = 3

• x² = 9

• √x = 3

• √x = 9

(cube root of 8)

• 2

• -2

• None of the above 

∛729

• 9

• 243

• 81

• 11

• A

• B

• C

• D

(Hint: Compare the values in your calculator!)

• A

• B

• C

• D

Simplify.

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• 

Simplify completely

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• 
• 

• A

• B

• C

• D

√64x¹²y²⁴

• 4x⁴y8

• 8x⁴y⁸

• 16x⁴y⁸

• 4xy