SOLUTION: y^2=-4x For the above, find the following: 1. Find the vertex 2. Find the focus 3. Find the directrix.

SOLUTION: y^2=-4x For the above, find the following: 1. Find the vertex 2. Find the focus 3. Find the directrix.

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Question 113989: y^2=-4x
For the above, find the following:
1. Find the vertex
2. Find the focus
3. Find the directrix.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Convert this to the standard equation for a parabola that has a vertex at (h,k), focus at (h+p,k), and directrix at x = -p

So, k = 0, h = 0, and p = -1

1. Vertex: (0, 0)
2. Focus: (-1,0)
3. Directrix: x=1

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