Identify the equation of the parabola with its focus at (-4,7) and the directrix y=1.
A) 24(y-3)=(x+4)^2
B) 12 (y-4)=(x+4)^2
C) 24 (y-7)=(x+4)^2
D) -12(y+4)=(x+4)^2
The vertex is (-4,4) and p = 3
The equation is
4(3)(y - 4) = (x + 4)2
12 (y - 4) = (x + 4)2