Meaning of quadratic equation

quadrat'ic equa'tion

Pronunciation: [key]
— Math. Math.
  1. an equation containing a single variable of degree 2. Its general form is ax + bx + c = 0, where x is the variable and a, b, and c are constants (a &nE; 0).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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