SOLUTION: Find an equation of the circle with the center and radius: (-3,1);5

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Question 26779: Find an equation of the circle with the center and radius: (-3,1);5



Answer by AdolphousC(70) About Me  (Show Source):
You can put this solution on YOUR website!
The equation of a circle is
+%28+x+-+h+%29%5E2+%2B+%28+y+-+k+%29%5E2+=+r%5E2+
Where ( h, k ) is the center and r is the radius, so we plug this into our forumla
+%28+x+-+-3+%29%5E2+%2B+%28+y+-+1+%29%5E2+=+5%5E2+
Simplify to get
+%28+x+%2B+3+%29%5E2+%2B+%28+y+-+1+%29%5E2+=+25+