# Lecture 4: Rational Expressions

Lecture 4, Rational Expressions

Click the link for lecture notes and example problems that accompany the three parts of Lecture 4 below.

#### Video Precalculus, Lecture 4, Part 1, Rational Expressions Domains

#### Video Precalculus, Lecture 4, Part 2, Rational Expressions Algebra 1

#### Video Precalculus, Lecture 4, Part 3, Rational Expressions Algebra 2