SOLUTION: Find the vertex, focus, and directrix of the parabola x^2=4y

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Question 188515This question is from textbook Precalculus
: Find the vertex, focus, and directrix of the parabola x^2=4y This question is from textbook Precalculus

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
4y=x%5E2
:
y=1%2F4%28x%5E2%29
:
vertex is at (0,0)
:
1/4p=1/4---->4p=4--->p=1
:
focus is at (0,1)
:
directrix is at y=-1
:
graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C%281%2F4%29x%5E2%29