Find the equation for a parabola with its focus at (5, 0) and a directrix of x = -5.

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anonymous · Answer

anonymous · Answer

Better to teach a man to fish than to give him a fish, eh?  It's also got a graphing tool for you it appears.  How nice of them

anonymous · Answer

Also helpful:
Vertex form of the equation of a parabola is given by y=a(x-h)$^2$+k where (h, k) are the coordinates of the vertex

anonymous · Answer

a = 1/4d or d = 1/4a

anonymous · Answer

If you're still stuck on something, ask away :-)