Solving Radical Equations with Cubed Roots

One of three equal factors of a number.

• radical

• rational

• square root

• cube root

Tags

CCSS.8.EE.A.2

A rational number with a cube root that is a rational number.

• perfect square

• elimination

• rational

• perfect cube

Tags

CCSS.8.EE.A.2

What number, n, cubed is equal to -216?

n³ = -216

• -6

• 6

• -7

• 72

Tags

CCSS.8.EE.A.2

∛216

• 6

• 72

• 108

• 4

Tags

CCSS.8.EE.A.2

• 36
• 18
• -18
• 27

Solve the equation.

• n = 27

• n = 18

• n = -18

• n = 36

Solve the radical equation. Don't forget to check your answers!

• x = -6

• x = 3

• x = 7/3

• x = -5

Tags

CCSS.HSA.REI.A.2

 Solve the equation.

• 36

• 18

• -18

• 27

Solve

• r = 2

• r = 1

• r = -1

• r = 8

Tags

CCSS.HSA.REI.A.2