quadratic equation

(redirected from ABC formula)
Also found in: Thesaurus, Encyclopedia.
Related to ABC formula: quadratic formula

quadratic equation

n.
An equation that employs the variable x having the general form ax2 + bx + c = 0, where a, b, and c are constants and a does not equal zero; that is, the variable is squared but raised to no higher power.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

quadrat′ic equa′tion


n.
an equation containing a single variable of degree 2. Its general form is ax2 + bx + c= 0, where x is the variable and a, b, and c are constants (a≠ 0).
[1680–90]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quadratic equation - an equation in which the highest power of an unknown quantity is a square
equation - a mathematical statement that two expressions are equal
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
He continues "For the ABC formula, Rex seems to disqualify AJANENSIS; in fact, the missing letter in the formula A*ANENSIS has Google hits for BDFGHIJKLMNPRSTVWYZ!
But primetime was just part of the mid-to-late-70s ABC formula. when he took over the presidency, Pierce implemented a formula to attract more affiliates and young viewers by attacking all dayparts.