- #1

LeadyKnight

- 3

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## Homework Statement

Find the equation of the parabola with focus (0, -4) and directrix y = -2

i barely understand this thing. i mean how do i find the vertex.

the book says D1 = focus to any point on the graph, and D2= the point on the graph to the directrix. and D1 = D2. how do i graph if i dont know the vertex

## Homework Equations

## The Attempt at a Solution

answer: y + 3 = -1/4(x)

^{2}