How to Say "coefficient" in Spanish
The Spanish word for “coefficient” is “coeficiente” — B1 level.

Examples
Para resolver la ecuación, primero identifica el coeficiente de la X.
To solve the equation, first identify the coefficient of the X.
El científico midió el coeficiente de expansión del metal.
The scientist measured the expansion coefficient of the metal.
Su coeficiente intelectual es impresionante para su edad.
Their intelligence quotient (IQ) is impressive for their age.
Always Masculine
Even though it ends in 'e', this word is always masculine. You should always use 'el' or 'un' with it.
Making it Plural
To make it plural, just add an 's' at the end: 'los coeficientes'. The stress on the vowel stays in the same place.
Confusion with 'cociente'
Mistake: “Using 'coeficiente' when you mean 'the result of division'.”
Correction: Use 'cociente' for division results and 'coeficiente' for a multiplier or an index like IQ.
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