Answer
See below.
Work Step by Step
The general equation for a circle with radius $r$ and centre $(h,k)$ is: $(x-h)^2+(y-k)^2=r^2$.
E.g. for $(x-2)^2+(y-1)^2=3^2$ the center is $(2,1)$ and the radius is $3$.
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 10 - Section 10.1 - Distance and Midpoint Formulas; Circles - Exercise Set - Page 767: 74
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