# quadratic

[ kwo-drat-ik ]

/ kwɒˈdræt ɪk /

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### adjective

### noun

a quadratic polynomial or equation.

## QUIZZES

#### QUIZ YOURSELF ON “THEIR,” “THERE,” AND “THEY’RE”

Are you aware how often people swap around “their,” “there,” and “they’re”? Prove you have more than a fair grasp over these commonly confused words.

Question 1 of 7

Which one of these commonly confused words can act as an adverb or a pronoun?

## OTHER WORDS FROM quadratic

quad·rat·i·cal·ly, adverbDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

## Example sentences from the Web for quadratic

Stone tablets carved more than 3,000 years ago show that ancient Babylonian mathematicians used a formula to solve polynomials of second degree — a cuneiform forebear of the same quadratic formula that algebra students learn today.

Dajae Williams was in seventh-grade math and the topic of the day was the quadratic formula.

In derivative pricing, the bank realized “a quadratic speedup” in the ability to run the simulations needed to price these algorithms, he says.

Startup debuts software to help any company use ‘quantum algorithms’|Jeremy Kahn|September 24, 2020|Fortune

## British Dictionary definitions for quadratic

quadratic

/ (kwɒˈdrætɪk) maths /

### noun

Also called: quadratic equation an equation containing one or more terms in which the variable is raised to the power of two, but no terms in which it is raised to a higher power

### adjective

of or relating to the second power

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Scientific definitions for quadratic

quadratic

[ kwŏ-drăt′ĭk ]

Relating to a mathematical expression containing a term of the second degree, such as x2 + 2.♦ A quadratic equation is an equation having the general form ax2 + bx + c = 0, where a, b, and c are constants.♦ The quadratic formula is x = -b ± √(b2 - 4ac)/2a. It is used in algebra to calculate the roots of quadratic equations.

The American Heritage® Science Dictionary
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