Parabola Definition, Formula & Examples - Lesson -

parabola  A parabola is a curve in which every point on the curve is equidistant from a point called a focus and a straight line called a directrix It is a U-shaped The parabola was studied by Menaechmus who was a pupil of Plato and Eudoxus He attempted to duplicate the cube, namely to find side of a cube that has a volume

We know we can find the x-intercepts of the parabola by using the quadratic formula The x Quadratic EquationParabola Grapher This document is designed to allow you to solve ax^2+bx+c=0 equations 1 a x 2+ b x + c 2 a =1 negative 100−100 100

Properties of Parabola · The eccentricity of any parabola is 1 · The parabola is symmetric about its axis · The axis is perpendicular to the directrix · The How to Read a Parabola Graph · If the x is squared, the parabola is vertical If the y is squared, it is horizontal (opens