This module was designed and written with you in mind. It is here to help you define and identify a polynomial equation, classify a polynomial equation according to its degree, define root (solution) of a polynomial equation, prove rational root theorem, find the roots of any polynomial equation using the rational root theorem, and solve problems involving polynomial equation. The scope of this module permits it to be used in many different learning situations. The language used recognizes the diverse vocabulary level of students. The lessons are arranged to follow the standard sequence of the course but the order in which you read and answer this module is dependent on your ability.

This module contains **Lesson 1:** Illustrating a Polynomial Equation and **Lesson 2: **Finding the Roots of Polynomial Equation.

After going through this module, you are expected to:

- define a polynomial equation

- identify a polynomial equation

- classify a polynomial equation according to its degree.

- define root (solution) of a polynomial equation,

- prove rational root theorem,

- find the roots of any polynomial equation using the rational root theorem, and

- solve problems involving polynomial equation.