SOLUTION: Find the standard form of the circle x^2 + y^2 + 2x - 6y - 6 = 0 How do I solve this? Please help. Thank you.

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Question 189071: Find the standard form of the circle x^2 + y^2 + 2x - 6y - 6 = 0
How do I solve this?
Please help.
Thank you.

Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Find the standard form of the circle x^2 + y^2 + 2x - 6y - 6 = 0
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Complete the square on the x-terms and on the y-terms:
(x^2 +2x + 1) + (y^2 -6y + 9) = 6 +1 + 9
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Change the forms:
(x+3)^2 + (y-3)^2 = 4^2
That is the standard form.
================================
Cheers,
Stan H.

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