Understanding Roots and Their Applications

What is the square root of 16?

• 4

• 3

• 5

• 2

Which of the following numbers is a perfect square?

• 10

• 25

• 30

• 15

How can you find the length of a side of a square if you know its area?

• Divide the area by 2

• Multiply the area by 2

• Take the square root of the area

• Square the area

What is the principal square root of 64?

• 6

• 7

• 8

• 9

If x^2 = 25, what are the possible values of x?

• None of these

• 5 and -5

• -5

• 5

What is the cube root of 27?

• 3

• 5

• 2

• 4

Which of the following is a perfect cube?

• 16

• 27

• 50

• 45

What is the cube root of 125?

• 5

• 6

• 7

• 4

If a cube has a volume of 8 cubic feet, what is the length of one side?

• 1 foot

• 2 feet

• 3 feet

• 4 feet

How do you find the side length of a cube if you know its volume?

• Square the volume

• Multiply the volume by 3

• Divide the volume by 3

• Take the cube root of the volume