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A parabola is a two-dimensional, mirror-symmetrical curve, which is approximately U-shaped when oriented as shown in the diagram ...



Parabola. Cartesian equation: y = ax<sup>2</sup> + bx + c. Click below to see one of the Associated ... Negative pedal curve wrt origin, Negative pedal wrt another point.

parabola - Mathematical curves


The word 'parabola' refers to the parallelism of the conic section and the tangent of the conic mantle. Also the parable has been derived from the Greek ...

Parabolas in Suspension Bridges! Oh, my!


The History | Definition | Breakdown of the Equation. The History ... Pappus (290 to 350) considered the focus and directrix of the parabola. Pascal (1623 to ...

Parabola Lesson Plans: History, Properties, Investigations


Mar 5, 2000 ... History History. Lesson I: Definition and geometric construction of a parabola. Definition: The parabola is the locus of a set of points equidistant ...

Parabola -- from Wolfram MathWorld


For a parabola opening to the right with vertex at (0, 0), the equation in Cartesian .... http://www-groups.dcs.st-and.ac.uk/~history/Curves/Parabola.html. Pappas ...



May 3, 2002 ... Thus, for a parabola, y<sup>2</sup> = 2px, which is the equation of the curve. For details, see Sir Thomas Heath, A History of Greek Mathematics (New ...

History - Conics


Around 360-350 B.C., Menaechmus discovered the curves parabola, hyperbola, and ellipse; however, he did not use these terms. Instead of those terms, ...

Conic Sections in Ancient Greece


This paper will investigate the history of conic sections in ancient Greece. .... Instead, he called a parabola a "section of a right-angled cone", and a hyperbola a ...

Interesting Facts About the History of Parabolas | eHow


Interesting Facts About the History of Parabolas. Mathematical curves such as the parabola were not invented. Rather, they have been discovered, analyzed and ...

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History of the Parabola - Parabola Project - Tripod


Menaechmus (380 BC - 320 BC) found the parabola; Apollonius (262 BC - 190 BC) named the parabola; Pappus (290 - 350) found the focus and directrix of the  ...

The Parabola - Interactive Mathematics Miscellany and Puzzles


(Note that the word parameter has the same Greek origin as parabola and signifies an attribute of a mathematical object given either alongside other attributes ...

Parabola - New World Encyclopedia


More generally, a parabola is a curve in the Cartesian plane defined by an ... In polar coordinates, a parabola with the focus at the origin and the directrix on the ...