noun

coefficient

koh-ih-FIH-shuhnt

noun

A number placed in front of a variable that multiplies it, in an algebraic expression.

"In 5x + 2, the coefficient of x is 5."

"She adjusted the coefficient to fit the data better."

A number that measures a particular physical property or characteristic.

"The coefficient of friction determines how easily the block slides."

How to Use Coefficient

Learner’s notes

In plain EnglishA number that multiplies or measures something, often used in maths, physics, and statistics.

Common pairings

coefficient of friction correlation coefficient a numerical coefficient

more coefficient comparative, coefficients plural, most coefficient superlative

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Can you complete this real example?

In 5x + 2, the _____ of x is 5.

From French coefficient, coined by the French mathematician François Viète from co- ("together") + efficient.

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