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

User Ohmen
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1 Answer

4 votes
- 4p = 4
p = - 1

5 + 4 = 9
vertex = ( - 5 , 9 )

( x + 5 )^2 = - ( y - 9 )
User Eugene Evdokimov
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