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Re: Find Center and Radius of Circle For This Equation
Posted:
Jan 22, 2013 12:34 AM


"Butch Malahide" <fred.galvin@gmail.com> wrote in message news:daad74c24aaf4245bb022ae05b3a425e@n8g2000yqd.googlegroups.com... On Jan 21, 4:53 pm, "Charles Hottel" <chot...@earthlink.net> wrote: > The equation is: x^2 +16x +105/16 +4y^2 +3y = 0 > > I do not see how to get rid of the coefficient on y^2 without introducing > a > coefficient on x^2. > > I was able to manipulate this toget : (x + 8)^2 + 4(y +3/8)^2 = 58 > but I don't see how that helps. I feel I must be missing something or > perhaps the problem should have had a 4x^2 factor? Thanks in advanc efor > any advice on how to solve this.
That's not a circle, it's an ellipse. You can tell because of the unequal coefficients on x^2 and y^2.
I must be tired since I did not notice that. So the problem statement is wrong. Thanks



