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parabola

World Encyclopedia | Date: 2005

parabola Mathematical curve, a conic section traced by a point that moves so that its distance from a fixed point, the focus, is equal to its distance from a fixed straight line, the directrix. It may be formed by cutting a cone parallel to one side. The general equation of a parabola is y = ax² + bx + c, where a, b, and c are constants.

Â© World Encyclopedia 2005, originally published by Oxford University Press 2005.

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