# quadratic formula

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Related to quadratic formula: Completing the square, Distance formula

## quadratic formula

[kwä′drad·ik ′fȯr·myə·lə] (mathematics)

A formula giving the roots of a quadratic equation in terms of the coefficients; for the equation

*ax*^{2}+*bx*+*c*= 0, the roots are*x*= (-*b*± √(*b*^{2}- 4*ac*)/2*a*.McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

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