College Algebra Lecture 7 Rational Expressions

In this lecture, we look at how to simplify, add, subtract, multiply, and divide rational expressions. What is a rational expression? Think of a fraction with a polynomial as both the numerator and denominator. This lecture series will follow the OpenStax College Algebra 2e text.

College Algebra Lecture 7.
Chapter 1 Prerequisites
1.6 Rational Expressions

Factoring Polynomials: https://www.youtube.com/watch?v=oD871_Zc12E
Multiplying Polynomials: https://www.youtube.com/watch?v=Rs0qNK_KJB8

College Algebra Lectures:
https://youtube.com/playlist?list=PLm90IN9RVLf-dEB23w6udDywhpnuBT1eb&si=B4wXoin2xbxVlmym

OpenStax College Algebra 2e:
https://openstax.org/subjects/math#College%20Algebra

Dogmathic Discord:
https://discord.com/channels/1397605575101255780/1397605575558168577

Chapters:
00:00 Introduction to Lecture 5
01:38 What are Rational Expressions
03:09 Example 1
03:29 Simplifying Rational Expressions
06:08 Multiplying Rational Expressions
06:35 Example 1
11:04 Dividing Rational Expressions
11:44 Example 1
15:18 Example 2
18:19 Example 3
22:41 Adding and Subtracting Rational Expressions
24:35 Example 1
26:29 Example 2
30:48 Simplifying Complex Rational Expressions
31:28 Example 1
38:35 Example 2
44:44 Next Time and Thanks for Watching

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