Perfect Square Root and Cube Root Equations

x² + 5 =69

• x = 8

• x = ±8

• x = -4

• x = ±4

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CCSS.8.EE.A.2

Solve for x.  
x³ = 1000

• x = 8

• x = 5

• x = 10

• x = 20

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CCSS.8.EE.A.2

Solve for x.  
x³ = 8

• x = 24

• x = 2

• x = 2 ⅔

• x = 4

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CCSS.8.EE.A.2

Solve for x.  
x² = 64

• x = 8

• x = 32

• x = 4

• x = 128

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CCSS.8.EE.A.2

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

• 64

• 27

• 81

• 16

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CCSS.8.EE.A.2

What number, n, cubed is equal to 64?

n³ = 64

• 4

• 2

• 8

• 262,144

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CCSS.8.EE.A.2

Barbra has a square room with an area of 196 ft². What is the length of one side of her room?

• 14 ft

• 196 ft

• 392 ft

• 98 ft

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CCSS.8.EE.A.2

• m = 2 or m = -2

• m = 4

• m = 16

• m = -4

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CCSS.8.EE.A.2

Raven is moving! She has a cube box that has a volume of 27 in³. Which equation could be used to calculate the length of one side of the box.

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CCSS.8.EE.A.2

Cubing a number is raising that number to a power of ___.

• 1

• 2

• 3

• 4

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CCSS.8.EE.A.2