please can i know what is this equation x^2+y^2-2y=0

its not a circle nor a parabola

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- Jan 3rd 2013, 07:03 AMantar141993x^2+y^2-2y=0 ??
please can i know what is this equation x^2+y^2-2y=0

its not a circle nor a parabola - Jan 3rd 2013, 07:27 AMskeeterRe: x^2+y^2-2y=0 ??
- Jan 3rd 2013, 07:30 AMantar141993Re: x^2+y^2-2y=0 ??
thank you

i should've add a +1 and -1 ;)