SOLUTION: 18. Write an equation of a parabola with the given focus and directrix. Focus-(0,3), Directrix- y=-1

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Question 870814: 18. Write an equation of a parabola with the given focus and directrix. Focus-(0,3), Directrix- y=-1
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Focus(0,3), Directrix; y=-1
Parabola Opening Upward ( 3 + -1)/2) = 1
V(0, 1) , p = 4 , a = 1/(4p) = 1/24
y = (1/24)x^2 + 1