Definition

What is a parabola?

The Parabola is defined as "the set of all points P in a plane equidistant from a fixed line and a fixed point in the plane." The fixed line is called the **directrix**, and the fixed point is called the **focus**. from rob kern ([])

A parabola is "A plane curve formed by the intersection of a right circular cone and a plane parallel to an element of the curve." from Keven Bonilla []

What does a parabola look like? All parabolas are vaguely “U” shaped and they will have a highest or lowest point that is called the **vertex**. Parabolas may open up or down and may or may not have //x//-intercepts and they will always have a single //y//-intercept. from rob kern ([]) I.e.