Problem 99 of 7
Solve cube-root equation: cuberoot(x^2)=4.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
isolate cube root and cube both sides.
Hidden until you reveal it.
Isolate cube root and cube both sides; odd roots allow negative outputs.
Enter your answer
No answer yet
Correct
Your answer is equivalent to the expected form.
Solution
Walkthrough
Walkthrough shown
Full solution stays hidden until you ask for it.
1. Isolate the cube-root expression.
2. Cube both sides.
3. Solve the resulting equation and check if needed.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Imposing nonnegative radicand restriction for cube roots.