Posted by Breauna on .
Write the standard equation for the parabola with the given characteristics.
vertex:(0,0)
directrix:y= 1.

math 
drwls,
The equation x^2 = 4 py is a parabola with vertex at (0,0) and a directrix below it at y = p. You want p to be 1.
Therefore 4p = 1 and p = 1/4
y = x^2 /4 is the equation