Problem 177 of 7
Correct the circle-equation error: A student says the radius of (x-2)^2 + (y+3)^2 = 12 is 12.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
catch sign, radius, grouping, and square-completion mistakes.
Hidden until you reveal it.
Correction must address sign, radius, grouping, or square-completion mistake.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify whether the error is in signs, radius, coefficients, or completing square.
2. State the correct rule.
3. Apply the rule to fix the statement.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Only giving the final equation without explaining the error.