SOLUTION: find the center and radius of the circle given by: x^2+10x+y^2+12y=-12

Question 136438: find the center and radius of the circle given by:
x^2+10x+y^2+12y=-12
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
The general form for a circle with center at (h, k) and radius r is:

In your equation:
First complete the squares in the x-terms and in the y-terms.
Factor the left side and simplify the right side.
Compare this with the general form:

, , and
Center is at: (-5, -6) and the radius is,
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