Square and Cube Roots

Which representations are equal to 64?

• 8²

• 32²

• (-8)(-8)

• 4³

• 21³

Tags

CCSS.8.EE.A.2

Leona is so excited. Her grandma is ordering a cubic hot tub that has a volume of 216 ft³. Her grandma needs to know how long each side is to order trim. What is the length of each side?

• 4 feet

• 6 feet

• 8 feet

• 108 feet

Tags

CCSS.8.EE.A.2

Valencia, Saralyn, and Emily are solving math problems to win a race. They need to determine the approximate value of  $\sqrt{47}$ . Saralyn insists the value is closer to 7, while Emily is sure it is closer to 8. Valencia thinks the value is closer to 6. Who do you agree with?

• Saralyn 

• Emily

• Valencia

Tags

CCSS.8.EE.A.2

Evaluate.

• -12
• 12
• ±12
• 1/12

Tags

CCSS.8.EE.A.2

Evaluate.

• 7/5

• ±7/5

• 5/7

• ±5/7

Tags

CCSS.8.EE.A.2

Evaluate.±

• ±13
• ±14
• 14
• 13

Tags

CCSS.8.EE.A.2

Evaluate.

• 444
• 222
• 4
• 2

Between what two integers would you find the value of √150?

• 12 and 13
• 11 and 12
• 13 and 14
• 15 and 16

Tags

CCSS.8.EE.A.2

What are the square roots of 36?

• 6 and -6
• 6
• -6

Tags

CCSS.8.EE.A.2

Which of these is not a perfect square?

• 144
• 36
• 121
• 72

Tags

CCSS.8.EE.A.2