May 28, 2016

Homework Help: Pre Cal Check

Posted by Marie on Sunday, February 25, 2007 at 8:33pm.

focus: (0,p)
vertex: if not given, then it is assumed (0,0)
Directrix: k+p or k-p, i'm not sure

I think these are the general equations for the focus, vertex, and directrix of a parabola, but i'm not sure. could someone please check this? thanks.

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