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quadratic formula

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quadratic formula

–noun Mathematics.
the formula for determining theroots of a quadratic equation from its coefficients: .
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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quadratic formula  
n.  The formula x = [-b ± √(b2 - 4ac)]/2a, used to compute the roots of a quadratic equation.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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