SOLUTION: a parabola has its focus (-6,4) and x=-1 as directrix. Find its equation

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Question 1169587: a parabola has its focus (-6,4) and x=-1 as directrix. Find its equation
Answer by Bxbblezone (1) About Me  (Show Source):
You can put this solution on YOUR website!
The vertex of the parabola is (-3.5, 4).
The focal length, p=-2.5 The parabola opens to the left.
(y-4)² = 4p(x+3.5)
(y-4)² = -10(x+3.5)
(y-4)² = -10x - 35