Square Root and Cube Root Equations

• 9

• -9

• 40.5

• -40.5

• x = 81
• x = -9
• x = 9
• x = -81

The solution of the equation is between...

• −50 and −40

• −20 and −10

• −30 and −20

• −40 and −30

Solve for x; identify extraneous solutions (if any).

• x = 8

• x = 18

• x = 28

• no solution; x = 8 is extraneous

The solution of the equation is between...

• −50 and −40

• −20 and −10

• −30 and −20

• −40 and −30

Solve

• -5

• 5

• 10

• 25

Solve the cube root equation

• 36

• -216

• 216

• -36

• None

Solve the cube root equation

• 900

• 990

• 0

• 90

• None

Solve the cube root equation

• -125

• 125

• 25

• -25

• None

Solve the cube root equation

• 344

• 21

• -344

• -21

• None