Coefficient

A coefficient is a number that stands in front of a variable, an expression, or a function. Below is an algebraic expression where the terms containing variables have the coefficients 2 and -5.

Coefficients indicate how many times a particular variable appears in an expression. In this case, there are two x^3-terms and five x-terms. (x^3+x^3)_2-(x+x+x+x+x)_5+3 Note that a variable with a coefficient of 1 is usually written as if it did not have a coefficient. 1a = a