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

Example Sentences

I then demonstrate algebraically that if the variable of interest, be it financial depth, doctors, or any other good or service that rises along with per capita income, is incorporated in a quadratic form into a regression of growth on per capita income, there will be a necessary but spurious finding that above a certain point more of the good or service in question causes growth to decline.

From Forbes

Equations in the quadratic form.

From Project Gutenberg

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

From Project Gutenberg