Finding Square & Cube Roots Practice

A square poster has an area of 81 square inches. What is the length of each side of the square?

• 3 inches

• 9 inches

• 20.25 inches

• 40.5 inches

What is this symbol called?

• cube root tent

• radicand

• dividend

• radical

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

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

What is the difference between the area of square A and square B.

Square A has side lengths of 5 cm and square B has side lengths of 7 cm.

• 2 cm²

• 4 cm²

• 16 cm²

• 24 cm

• 24 cm²

-√144

• 12
• 13
• -12
• None of the above

the square root √-25 is..

• 5
• -5
• 8
• none of the above

 $^3\sqrt{\frac{512}{125}}=$  

• 12/25

• 6/5

• 8/5

• 8/10

 $^3\sqrt{\frac{1000}{343}}=$  

• 100/7

• 10/7

• 10/49

• 100/49

 $^3\sqrt{\frac{1}{216}}=$  

• 1/8

• 1/6

• 1/16

• 1/216