Parabola

A parabola is the set of all points in a plane equidistant from a fixed point (focus) and a fixed line (directrix).

Definition

Standard Equations

Key Elements

Example: Finding Elements

Parametric Form

Practice Problems

1. Find the focus and directrix of .
2. Write the equation of a parabola with vertex at origin and focus at .
3. Find the length of the latus rectum of .
4. Find the equation of a parabola with focus and directrix .