Problem 12 of 7
Write the equation of a circle with center (-1/2,-3/2) and radius 7.
Hints
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
use (x-h)^2+(y-k)^2=r^2.
Hidden until you reveal it.
Use standard circle form with radius squared on the right.
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. Identify h, k, and r.
2. Substitute into (x-h)^2+(y-k)^2=r^2.
3. Simplify r squared.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using r instead of r squared.