Problem 203 of 7
Correct the rational or radical equation-solving error: A student solves sqrt(x) = -3 by squaring both sides to get x=9.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
catch LCD, squaring, restriction, and verification mistakes.
Hidden until you reveal it.
Correction must address LCD, squaring, restriction, or verification mistakes.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify the invalid transformation or missing restriction.
2. State the correct solving step.
3. Check candidates in the original equation.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Final answer correction without explaining the solving error.