Answer
$(x+3)^2+(y-1)^2=9$
Work Step by Step
Based on the given conditions, the radius is the absolute value of the x-coordinate of the center $r=3$, thus we have $(x+3)^2+(y-1)^2=9$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.