If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Equation of a parabola from focus & directrix

You might need: Calculator


Write the equation for a parabola with a focus at (1,2) and a directrix at y=6.