Algebra 1 · Polynomials & Exponents

Leading Coefficient

Algebra 1 · Polynomials & Exponents

Definition

The leading coefficient is the coefficient of the term with the greatest exponent, written first in standard form.

Examples

  • In 3x^2 + 5x - 1, the leading coefficient is 3.
  • In -x^3 + 2x, the leading coefficient is -1.

Key rule

Order by exponent; the leading coefficient sits out front.

Memory hook

Leading coefficient leads the highest-power term.