SOLUTION: Derive the equation of the parabola with a focus at (−5, 5) and a directrix of y = -1.

SOLUTION: Derive the equation of the parabola with a focus at (−5, 5) and a directrix of y = -1.

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Question 934767: Derive the equation of the parabola with a focus at (−5, 5) and a directrix of y = -1.
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Use the distance formula and the definition of parabola. You want the set of points equally distant from (-5,5) as from (x,-1).

Continue simplifying until you have an equation formula of y in terms of x.
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