Question 859893
Find the vertex, focus, and directrix of the parabola given by the equation 
x^2 = -8y
parabola opens down with vertex at origin.
Its basic form of equation: y=-4py
vertex:(0,0)
axis of symmetry: x=0 or y-axis
4p=8
p=2
focus: (0,-2)
directrix: y=2