Parabola
In mathematics, a parabola ( /pəˈræbələ/; plural parabolae or parabolas, from the Greek παραβολή) is a conic section, created from the intersection of a right circular conical surface and a plane parallel to a generating straight line of that surface. Another way to generate a parabola is to examine a point (the focus) and a line (the directrix). The locus of points in that plane that are equidistant from both the line and point is a parabola. In algebra, parabolas are frequently encountered as graphs of quadratic functions, such as
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Famous quotes containing the word parabola:
“Along a parabola life like a rocket flies,
Mainly in darkness, now and then on a rainbow.”
—Andrei Voznesensky (b. 1933)