Coefficient
Numerical factor of a term
A coefficient refers to the numerical factor of a term in an algebraic expression, equation, or formula. It is the number which appears before the variable or variables in a term. For example, in the term 5x, the coefficient is 5, and in the term 2xy, the coefficient is 2.
Coefficients are used extensively in mathematics to signify the relationship between variables and numbers or constants within an expression or equation. They are important for solving equations, simplifying expressions, and determining how changes in one variable affect the overall value of the expression or equation.
In addition to having numeric values, coefficients can also have physical meanings in scientific equations, such as the coefficient of friction or the coefficient of thermal expansion. In summary, the coefficient is a crucial component of mathematical expressions and it is essential to understand how to properly identify and use them in mathematical contexts.
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