SOLUTION: find the center (h,k) and radius r of the circle with the given equation {{{ (x+2)^2 +y^2=9 }}}

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Question 932740: find the center (h,k) and radius r of the circle with the given equation
+%28x%2B2%29%5E2+%2By%5E2=9+
Found 2 solutions by MathLover1, Alan3354:
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
On the coordinate plane, the formula of the circle is:
%28x-h%29%5E2%2B%28y-k%29%5E2=r%5E2
where h and k are the x and y coordinates of the center of the circle, and r radius

+%28x%2B2%29%5E2+%2By%5E2=9+
the center (h,k)=(-2,0) and radius r=3


Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
find the center (h,k) and radius r of the circle with the given equation
+%28x%2B2%29%5E2+%2By%5E2=9+
--------
Center at (-2,0)
r = 3