Answers

2014-05-13T15:33:17+05:30
(x-h)²=4p(y-k)
(y-k)²=4p(x-h)
i feel it is (x-h)^2=4P(y-k)
    (x,y) is the vertex and P is the focus distance.
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2014-05-13T15:36:08+05:30
I think it is 
   (x-h)^2=4P(y-k)
      where (x,y) is the vertex and focus distance is +-P
1 5 1