quadratic surd

noun

An irrational number that is the solution of a quadratic equation of the form ax²+bx+c=0, where a, b, and c are integers and a ≠ 0.

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Meanings

nounquadratic surd (plural quadratic surds)

plural quadratic surds

  1. mathematicsAn irrational number that is the solution of a quadratic equation of the form ax²+bx+c=0, where a, b, and c are integers and a ≠ 0.
Cite this entry
APA

quadratic surd. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/quadratic%20surd

MLA

“quadratic surd.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/quadratic%20surd. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “quadratic surd,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/quadratic%20surd.

Source: quadratic surd on Wiktionary, CC BY-SA 4.0.