Date: Jan 22, 2013 12:34 AM
Author: Charles Hottel
Subject: Re: Find Center and Radius of Circle For This Equation

"Butch Malahide" <fred.galvin@gmail.com> wrote in message

news:daad74c2-4aaf-4245-bb02-2ae05b3a425e@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