Mastering Square and Cube Root Equations

How do you simplify the square root of a fraction?

• Square root the numerator and denominator separately

• Subtract the numerator from the denominator

• Add the numerator and denominator first

• Multiply the numerator and denominator first

What is the square root of 81/121?

• 1/2

• 81/121

• 11/9

• 9/11

Tags

CCSS.8.EE.A.2

What is the proper notation for the square root of 64?

• -8

• 64

• 8

• ±8

Tags

CCSS.8.EE.A.2

What is the cube root of 8?

• 2

• -2

• 4

• 8

Tags

CCSS.8.EE.A.2

What happens if you try to take the square root of a negative number?

• You get zero

• You get a positive number

• You get a negative number

• There is no real solution

Tags

CCSS.8.EE.A.2

What is the inverse operation of squaring a number?

• Addition

• Multiplication

• Division

• Square root

Tags

CCSS.8.EE.A.2

If x^2 = 25, what is x?

• 5

• -5

• ±5

• 25

Tags

CCSS.8.EE.A.2

What is the cube root of -125?

• -25

• 25

• -5

• 5

Tags

CCSS.8.EE.A.2

If x^3 = 8, what is x?

• 2

• -2

• 4

• 8

Tags

CCSS.8.EE.A.2

What should you do if you cannot take the square root of a number because it is not a perfect square?

• Approximate the value

• Leave it as a fraction

• Write it as a square root

• Ignore the problem