SOLUTION: 9x^2+9y^2-12x-6y-31=0 Transform the equation to standard form, then give the coordinates of the center and the radius.

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Question 1009326: 9x^2+9y^2-12x-6y-31=0 Transform the equation to standard form, then give the coordinates of the center and the radius.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
9x^2+9y^2-12x-6y-31=0 Transform the equation to standard form, then give the coordinates of the center and the radius.
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Complete the squares for x and y. That's all it takes.
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You get %28x-h%29%5E2+%2B+%28y-k%29%5E2+=+r%5E2
(h,k) is the center, r = radius