Cube Root Cubic Equations

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

• x = 8

• x = - 41 1/3

• x = - 42

• no solution; x = 8 is extraneous

Solve the cube root equation

• 344

• 21

• -344

• -21

• None

Solve the cube root equation

• 78

• -228

• 228

• -78

• None

Solve the cube root equation

• 900

• 990

• 0

• 90

• None

The population of Mobile, AL can be modeled by the function above--where x is the year and p(x) is the population. In what year will the population be 360,000?

• 2031

• 2028

• 2054

• 2067

Solve the cube root equation

• 27

• 20

• 3

• 30

• None

Solve the cube root equation

• -125

• 125

• 25

• -25

• None

Solve the cube root equation

• 36

• -216

• 216

• -36

• None

Solve for x:

(3x + 1)³ = 64

• -1

• 6

• 1

• No real solution

What is the value of x in the equation (2x + 1)^1/3 + 3 = 6

• 1

• 13

• 4

• 16

• None