SOLUTION: can you help me find the correct answer. find the center and the radius of the circle x^2+y^2+6y-27=0

Question 80267: can you help me find the correct answer.
find the center and the radius of the circle
x^2+y^2+6y-27=0
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
find the center and the radius of the circle
x^2+y^2+6y-27=0
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Complete the square on the x-terms and the y-terms respectively:
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[x^2] + [y^2+6y + ?] = 27+?
(x-0)^2 + (y^2+6y+(6/2)^2) = 27 + 9
(x-0)^2 + (y+3)^2 = 36
Center at (0,-3)
Radius= 6
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cheers,
Stan H.
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