# Ch 12: McDougal Littell Algebra 1 Chapter 12: Rational Equations & Functions

The Rational Equations & Functions chapter of this McDougal Littell Algebra 1 Companion Course helps students learn the essential lessons associated with rational equations and functions. Each of these simple and fun video lessons is about five minutes long and is sequenced to align with the Rational Equations & Functions textbook chapter.

## How It Works:

• Identify the lessons in the McDougal Littell Rational Equations & Functions chapter with which you need help.
• Find the corresponding video lessons with this companion course chapter.
• Watch fun videos that cover the rational equations and functions topics you need to learn or review.
• Complete the quizzes to test your understanding.
• If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.

## Students will learn:

• How to solve equations of inverse variation
• Horizontal and vertical asymptotes
• Steps to graph rational functions that have linear polynomials
• Ways to graph rational functions that have polynomials of various degrees
• Analysis of rational function graphs to find asymptotes, domain and range
• Long division and synthetic division of polynomials
• Multiplication and division of rational expressions
• Addition and subtraction of rational expressions
• Methods to solve a rational equation

McDougal Littell is a registered trademark of Houghton Mifflin Harcourt, which is not affiliated with Study.com.

13 Lessons in Chapter 12: McDougal Littell Algebra 1 Chapter 12: Rational Equations & Functions
Test your knowledge with a 30-question chapter practice test
Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

### Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.