Directrix Focus of a Parabola | Equation Examples The directrix also provides whether a parabola opens up down or left right How do you find the focus and directrix of a parabola? Suppose a parabola is given in standard form as 4p (y-k) = (x-h)^2
How to Find the Focus Directrix of a Parabola in Vertex Form Learn how to find the focus and directrix of a parabola in vertex form, and see examples that walk through sample problems step-by-step for you to improve your math knowledge and skills
The Focus and Directrix of a Parabola - Study. com A parabola is the set of all points that are the same distance from a single point, called the focus of the parabola, and a line, called the directrix of a parabola