Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 exam•Written by the Fiveable Content Team • Last updated September 2025
Definition
A rational function is an algebraic expression in which both numerator and denominator are polynomials. It can be written as the ratio (or fraction) of two polynomials.
An expression consisting of variables, coefficients, and exponents combined using addition, subtraction, multiplication, and non-negative integer exponents.