# Parabolas

by
**cmguerra**

Last updated 7 years ago

** Discipline: **

Math ** Subject: **

Algebra I
** Grade:**

10

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A parabola is the set of points that are equally distant from a focus point and the directrix, a fixed line. The standard equation depends on the axis of symmetry. A vertical axis has a focus at (h,k+p) and the equation (x-h)^2=4p(y-k). A horizontal axis has a focus at (h+p,k) and the equation (y-k)^2=4p(x-h). The vertex is always halfway in between the focus and directrix at a distance p from both.http://www.wyzant.com/help/math/algebra/conic_sections

Parabolas

Real World Example

A real world example of a parabola is the arc made during a stage dive. Like the wall of death, you are most likely to find this at your local heavy metal show.

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