Finding Square Roots and Cube Roots to Solve Problems

Determine which is perfect square?

• 54

• 36

• 21

• 43

Tags

CCSS.8.EE.A.2

Write an equation for this phrase, "The square root of x is equal to 3."

• x² = 3

• x² = 9

• √x = 3

• √x = 9

Tags

CCSS.8.EE.A.2

Solve for p when p² = 100.

• 1,000

• 10

• 0.10

• -0.10

Tags

CCSS.8.EE.A.2

Write an equation for this phrase, "2 cubed is equal to the square root of x." 

• 2³ = √x

• 2² = √x

• 4 = √16

• √x = 2

• 8

• 9

• 7

• 6

Tags

CCSS.8.EE.A.2

• 25

• 125

• 625

• 50

What is the cube root of 1000?

• 10

• 100

• 500

• 20

Tags

CCSS.8.EE.A.2

Find the value of y.

Hint: Take the cube root!

(a)  

• 5 = y

• 15 = y

• 20 = y

• 25 = y

Tags

CCSS.8.EE.A.2

∛8 = ?

• 2

• 24

• 3.14

• 64

Tags

CCSS.8.EE.A.2

Find the value of y.

Hint: Take the cube root!

(a)  

• 5 = y

• 15 = y

• 20 = y

• 25 = y

Tags

CCSS.8.EE.A.2