Curated OER
Definition of a Polynomial Function
This page gives the basic definition and several concrete examples of polynomial functions
Help Algebra
Algebra Help: Operations With Polynomials
This article gives an overview for adding, subtracting, multiplying, and dividing polynomials. Examples are given, but more importantly, they are accompanied with explanations of why the process worked.
Wolfram Research
Wolfram Math World: Polynomial
Mathworld.com contains a brief lesson on polynomials. This site explains what it means to be a polynomial in technical terms, gives identities for several special polynomials, and numerous links to related topics and terminology.