Dec 19, 2023 • 2h 9m • 109 views

A parabola is a set of points, such that for any point of the set the distance to a fixed point , the focus, is equal to the distance to a fixed line. , the directrix: The midpoint of the perpendicular from the focus onto the directrix is called the vertex, and the line. is the axis of symmetry of the parabola.