Algebra 1 · Polynomials & Exponents

Trinomial

Algebra 1 · Polynomials & Exponents

Definition

A trinomial is a polynomial consisting of exactly three terms.

Examples

  • x2 + 5x + 6 is a trinomial.
  • 2x2 − 3x + 1 is a trinomial.

Key rule

A trinomial has exactly three terms.

Memory hook

Tri = three; a trinomial has three terms.