Need help with these...or more like I forget algebra.

Thanks.

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- Nov 12th 2009, 07:38 AMMr.BerlinHyperbola and Elipse Equations
Need help with these...or more like I forget algebra.

Thanks. - Nov 12th 2009, 08:48 AMbigwave

this is a hyperbola with the foci on the y axis

you can ussually tell by the - sign in between

the general equation is:

where

this is an ellipse

the general equation is:

where

- Nov 12th 2009, 12:40 PMMr.Berlin
Yeah, so I have to eliminate the coefficient. Thats' what I can't remember how to do.

- Nov 12th 2009, 12:51 PMbigwave
basically

complete the square - Nov 12th 2009, 01:23 PMMr.Berlin