SOLUTION: Find an equation for the parabola with focus at (-1,-1) and vertex at (4,-1) Thanks:)

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Question 38796: Find an equation for the parabola with focus at (-1,-1) and vertex at (4,-1)
Thanks:)
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
p = (1/4a)
-5 = 1/(4a)
-20a = 1
a = (-1/20)
use: x+=+a%28y-k%29%5E2%2Bh
x+=+%28-1%2F20%29%28y%2B1%29%5E2%2B4