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quadratic formula

 
Dictionary: quadratic formula

n.
The formula x = [−b ± √(b2 − 4ac)]/2a, used to compute the roots of a quadratic equation.


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Dictionary. The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.  Read more