quadratic equation

Save This Word!

noun Mathematics.

an equation containing a single variable of degree 2. Its general form is ax2 + bx + c = 0, where x is the variable and a, b, and c are constants (a ≠ 0).

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of quadratic equation

First recorded in 1680–90

Words nearby quadratic equation

quadraphonics, quadraphony, quadrat, quadrate, quadratic, quadratic equation, quadratic form, quadratic formula, quadratic residue, quadratics, quadrature

How to use quadratic equation in a sentence

As a teen, Randy had painted a submarine, an elevator door and the quadratic equation on the walls of his childhood bedroom.
Randy Pausch Keeps Talking|Jeffrey Zaslow|October 8, 2008|DAILY BEAST
For more exact work, the new concentrations of the three components may be found by solving a simple quadratic equation.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2.|Julius Stieglitz
The ordinary schoolboy would correctly treat this as a quadratic equation.
Amusements in Mathematics|Henry Ernest Dudeney
An advantage gained was that every quadratic equation, and not some quadratics only, could be spoken of as having two roots.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6|Various

Quadratic Equation, an equation involving the square of the unknown quantity.
The Nuttall Encyclopaedia|Edited by Rev. James Wood
All I ask is to live simply and sensibly, but instead of that my existence is transformed into a quadratic equation.
Mr. Prohack|E. Arnold Bennett