SOLUTION: Find the standard form of the parabola with a given characteristic and vertex at the origin. directrix: x = -2 I think the answer is y2=-2x

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Question 429656: Find the standard form of the parabola with a given characteristic and vertex at the origin.
directrix: x = -2
I think the answer is y2=-2x
Answer by ewatrrr(10682) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Parabola opening to the rght

 The standard form is %28+y-hyk%29%5E2+=+4p%28x+-k%29, where  the focus is (h,k + p) 

vertex at the origin. directrix: x = -2  thus p=2

 y^2 = 8x