Question 860386
<pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
x^2 = -8y
  y = (-1/8)(x)^2  V(0,0)  y-axis line of symmetry
{{{a = 1/(4p) = 1/-8}}}, p = -2, focus(0,-2), y = 2 directrix
{{{drawing(300,300,   -10,10,-10,10,    
 grid(1),
circle(0, -2,0.4),
graph( 300, 300, -10,10,-10,10,0, 2, (-1/8)(x)^2  ))}}}