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## Parabola

en.wikipedia.org/wiki/Parabola

A parabola is a two-dimensional, mirror-symmetrical curve, which is approximately U-shaped when oriented ...

## Conics: Parabolas: Introduction - Purplemath

www.purplemath.com/modules/parabola.htm

Introduces the terms and equations related to parabolas in the context of conics. Relates ... Show how to 'read' from the 'conics' form of the parabola equation.

## Standard and vertex form of the equation of parabola and how it ...

www.mathwarehouse.com/geometry/parabola/standard-and-vertex-form.php

The standard and vertex form equation of a parabola and how the equation relates to the graph of a parabola.

## Finding the equation of a parabola from its focus and directrix ...

Sal derives the equation of a general parabola whose focus is (a,b) and directrix is y=k. He then uses this general formula in order to find the specific formula ...

## Writing the Equation of Parabolas - Soft Schools

www.softschools.com/math/calculus/writing_the_equation_of_parabolas/

Writing the Equation of Parabolas. To write the equation of a parabola.... 1. Determine which pattern to use (based on whether it is horizontal or vertical) 2.

## The Vertex of a Parabola - Hotmath

hotmath.com/hotmath_help/topics/vertex-of-a-parabola.html

The vertex of a parabola is the point where the parabola crosses its axis. ... But the equation for a parabola can also be written in "vertex form": y = a(x – h)<sup>2</sup> + k.

## Parabolas

jwilson.coe.uga.edu/emt725/class/sarfaty/emt669/instructionalunit/parabolas/parabolas.html

Lesson 3: Find the equation of our parabola when we are given the coordinates of ... Lesson 4: Find the vertex, focus, and directrix, and graph a parabola by first ...

## Algebra Examples | Conic Sections | Finding the Parabola Equation ...

mathway.com/examples/Algebra/Conic-Sections/Finding-the-Parabola-Equation-Using-the-Vertex-and-Another-Point?id=664

The general equation of a parabola with vertex is In this case we have as the vertex and is a point on the parabola. To find substitute the two points in to get.

## Equation of Parabola

www.analyzemath.com/parabola/Equation.html

This is an applet to explore the equation of a parabola and its properties. The equation used is the standard equation that has the form ...

## Parabola Formula | Formula for a Parabola | Formulas@TutorVista ...

formulas.tutorvista.com/math/parabola-formula.html

Axis of symmetry of a parabola is a line that runs down its center and passes through the focus and vertex of the parabola and perpendicular to its directrix thus ...

Popular Q&A
Q: How to prove Archimedes parabola formula?
A: Interesting: c - ax^2. the zeroes (via quadratic formula) are +-sqrt(c/a), so the base is 2*sqrt(c/a). the height is simply: c. so the area =. (2/3)*2*sqrt(c/a)... Read More »