Find the center and radius of x2 + y2 + 2x - 10y + 10 = 0

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asked Apr 26, 2017 216k views

1 Answer

Bill Moon · Answer 1 · 2017-04-30T07:57:22+0000

In order to do this you can factorise it to get
(x+1)^2 + (y-5)^2 = 16 = 4^2
hence centre is (-1,5) and radius is 4
I hope this is what you are looking for

Find the center and radius of x2 + y2 + 2x - 10y + 10 = 0

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