Question 860759
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
focus (0, 3); directx: y = 1  C(0,2), p = 1
y = ax^2 + 2
p = 1
a = {{{1/(4p) = 1/4}}}
y = (1/4)x^2 + 2
{{{drawing(300,300,   -6, 6, -6, 6, grid(1), 
circle(0, 1,0.2),
circle(0, 3,0.2),
graph( 300, 300, -6, 6, -6, 6,0,1,.25x^2 + 2) )}}}