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quadratic equation

American

noun

Mathematics.

an equation containing a single variable of degree 2. Its general form is ax 2 + bx + c = 0, where x is the variable and a, b, and c are constants (a ≠ 0).

Etymology

Origin of quadratic equation

First recorded in 1680–90

Example Sentences

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quadratic equation

One especially influential Indian mathematician was Brahmagupta, whose algebraic techniques could handle any quadratic equation.

From Scientific American ● Aug. 10, 2023

Now we will go through the steps of completing the square using the general form of a quadratic equation to solve a quadratic equation for x.

From Textbooks ● May 6, 2020

We start with the standard form of a quadratic equation and solve it for x by completing the square.

From Textbooks ● May 6, 2020

The result is the pair of solutions to the quadratic equation.

From Textbooks ● May 6, 2020

Babi taught her to derive the quadratic equation, showed her how to factor polynomials and plot parametric curves.

From "A Thousand Splendid Suns" by Khaled Hosseini

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