Polynomial Expression

Polynomial Expression

Expression of the form \(A_{n}x^{n}+A_{n-1}x^{n-1}+A_{n-2}x^{n-2}+…+A_{1}x+A_{0}\) where n is the degree of the expression.

  • The values An of the preceding expression are called the coefficients of the polynomial expression or the polynomial.
  • A first-degree polynomial expression is a linear polynomial.
  • A second-degree polynomial expression is also called a quadratic polynomial.


  • The expression \({x}^{2}\)+ 3x + 1 is a second-degree polynomial expression.
  • The expression \({x}^{4}\)– 81 is a fourth-degree polynomial expression.

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