Usually means: Equation of the form ax²+bx+c=0.
Definitions Related words Mentions
We found 20 dictionaries that define the word quadratic equation:

General (17 matching dictionaries)
  1. quadratic equation: Longman Dictionary of Contemporary English
  2. quadratic equation: Merriam-Webster
  3. quadratic equation: American Heritage Dictionary of the English Language
  4. quadratic equation: Collins English Dictionary
  5. quadratic equation: Vocabulary.com
  6. quadratic equation: Cambridge Advanced Learner's Dictionary
  7. quadratic equation: Wiktionary
  8. quadratic equation: The Wordsmyth English Dictionary-Thesaurus
  9. quadratic equation: Infoplease Dictionary
  10. quadratic equation: Dictionary.com
  11. Quadratic equation, The Quadratic Equation: Wikipedia, the Free Encyclopedia
  12. quadratic equation: Rhymezone
  13. quadratic equation: FreeDictionary.org
  14. quadratic equation: Mnemonic Dictionary
  15. quadratic equation: TheFreeDictionary.com

Computing (1 matching dictionary)
  1. The Quadratic Equation, quadratic equation: Encyclopedia

Science (2 matching dictionaries)
  1. Quadratic Equation: Eric Weisstein's World of Mathematics
  2. quadratic equation: PlanetMath Encyclopedia

(Note: See quadratic_equations as well.)

Definitions from Wiktionary (quadratic equation)

noun:  (algebra) A polynomial equation of the second degree; an equation that can be rearranged in standard form as ax²+bx+c=0, where x is an unknown value, a, b, and c are known numbers, and where a does not equal zero.

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