SOLUTION: Write the equation of the parabola with vertex at the origin and
directrix is at y+4=0
Algebra.Com
Question 1019812: Write the equation of the parabola with vertex at the origin and
directrix is at y+4=0
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Find the focus using knowledge of parabolas and then learn what to do with this video lesson/demonstration:
Deriving equation of a parabola, vertex at Origin
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