SOLUTION: y=5x^2 whats the directrix,focal diameter and directrix?

Question 980837: y=5x^2
whats the directrix,focal diameter and directrix?
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Try this way:

Opens to the right, vertex at (0,0).

Compare to in which |p| is the distance from the vertex to either the directrix or the focus.
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