Definition of Coefficient

The Coefficient of a term in an expression is the number which is multiplied by one or more variables or powers of variables in the term.

More About Coefficient

  • Coefficients can be positive or negative or zero.
  • While adding or subtracting polynomials, you just have to add or subtract the coefficients in the like terms.

Video Examples: Maths Tutorial: Pearson's correlation coefficient

Example of Coefficient

    5x � 3: Here 5 is the coefficient of the linear term 5x. 3xy2 - 7z: Here 3 and - 7 are the coefficients of the first and second terms respectively.

Solved Example onCoefficient

Ques: Find the coefficient of p in p3 + 2p2 - 5p - 1.


    A. 1
    B. - 1
    C. 2
    D. - 5
    Correct Answer: D


    Step 1: The coefficient of p in the expression p3 + 2p2 - 5p - 1 is � 5.

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