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What is the standard form of x^2+y^2-4x+12y-20=0

What is the standard form of x^2+y^2-4x+12y-20=0
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What is the standard form of x^2+y^2-4x+12y-20=0

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User Moritz Walter
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1 Answer

5 votes
That's a circle; we complete the square.


x^2+y^2-4x+12y-20=0


(x^2-4x)+(y^2+12y)=20


(x^2-4x + 4)+(y^2+12y + 36)=20 + 4 + 36


(x-2)^2+(y+6)^2=60
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User Tolotra
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