quadratic form

American  

noun

Mathematics.

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

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Etymology

Origin of quadratic form

First recorded in 1855–60

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Example Sentences

See Examples For:

quadratic form

Substitutions for rational exponents can also help us solve 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

Again, we will use the standard u to make a substitution that will put the equation in quadratic form.

From Textbooks ● May 6, 2020

Equations in quadratic form are easy to spot, as the exponent on the first term is double the exponent on the second term and the third term is a constant.

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 Romeyn Henry Rivenburg

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