SOLUTION: parabola with foci at (4,6) and directrix at x=8

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Question 452926: parabola with foci at (4,6) and directrix at x=8
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Under the given conditions, the vertex will be at the point (6,6). a = 6 - 4 = 2, and the standard equation would be 4%2A2%28x-6%29+=+%28y+-+6%29%5E2, or 8%28x+-+6%29+=+%28y+-+6%29%5E2.