C chickyme89 New member Joined Jun 13, 2006 Messages 7 Jun 18, 2006 #1 I need some help finding the foci, center, vertices, major/minor axes, and eccentricity. I have no idea where to start. The problem: 4x^2+4x+3y^2+24y=5
I need some help finding the foci, center, vertices, major/minor axes, and eccentricity. I have no idea where to start. The problem: 4x^2+4x+3y^2+24y=5
stapel Super Moderator Staff member Joined Feb 4, 2004 Messages 16,550 Jun 18, 2006 #2 A good place to start would be to "complete" the square and then divide through to get the ellipse into the form: . . . . .\(\displaystyle \L \frac{(x\,-\,h)^2}{a^2}\, +\, \frac{(y\,-\,k)^2}{b^2}\, = \,1\) ...where (h, k) is the center. How far have you gotten on this step? Thank you. Eliz.
A good place to start would be to "complete" the square and then divide through to get the ellipse into the form: . . . . .\(\displaystyle \L \frac{(x\,-\,h)^2}{a^2}\, +\, \frac{(y\,-\,k)^2}{b^2}\, = \,1\) ...where (h, k) is the center. How far have you gotten on this step? Thank you. Eliz.