Solving for X Squared and Cubed Roots

(cube root of 8)

• 2

• -2

• None of the above 

Tags

CCSS.8.EE.A.2

(cube root of -1)

• 1

• -1

• none of the above (imaginary number)

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

Select all perfect cubes

• 2

• 8

• 27

• 64

• 9

Tags

CCSS.8.EE.A.2

• 256
• 2.7
• 2
• 512

Tags

CCSS.8.EE.A.2

• 8, -8
• 4, -4
• 4
• 21.3

Tags

CCSS.8.EE.A.2

What is the cube root of 216?

• 6

• 8

• 21

• 7

Tags

CCSS.8.EE.A.2

2x²=100

• x = √25

• x = ±5√2

• x = √100

• x = ±√5

Tags

CCSS.8.EE.A.2

Solve for x when x² = 144

• 4

• 11

• 12

• 14

Tags

CCSS.8.EE.A.2

• 9
• 3
• 1/3
• 1

Tags

CCSS.8.EE.A.2