quadratic form

American

noun

Mathematics.

a polynomial all of whose terms are of degree 2 in two or more variables, as 5 x 2 − 2 xy + 3 y 2 .

Etymology

Origin of quadratic form

First recorded in 1855–60

Example Sentences

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quadratic form

Explain how to recognize an equation in quadratic form.

From Textbooks ● May 6, 2020

Rewrite the equation with the substitution to put it in quadratic form.

From Textbooks ● May 6, 2020

We summarize the steps to solve an equation in quadratic form.

From Textbooks ● May 6, 2020

Solving a rational equation may also lead to a quadratic equation or an equation in quadratic form.

From Textbooks ● Feb. 13, 2015

Solve by three methods—formula, factoring, and completing the square: Review equations in the quadratic form and solve: 2.

From A Review of Algebra by Rivenburg, Romeyn Henry

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023