Work Step by Step
Directrix: $y=-p~~$ (Vertical axis) $-p=2$ $p=-2$ Parabola in the standard form with the vertex at origin (vertical axis): $x^2=4py$ $x^2=4(-2)y$ $x^2=-8y$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.