Question 257373
Focus = (3,1)
directrix line at y = 7.
The vertex is the midpoint or (3,4)
The distance from the vertex to focus is called P. P = 3.
the equation we need is
{{{y = (1/(4p))(x-h)^2 + k}}}
or
{{{y = (1/12)(x-3)^2+4}}}