Rational Expressions


In this chapter, students will learn how to simplify rational expressions and perform the four basic operations on them. They will also solve rational equations and apply them to practical work and motion problems. The chapter ends with basic information about graphing rational functions.

What you can expect to learn

After completing these activities you should be able to

  1. Simplify rational expressions, and be able to determine the values for which a rational expression is undefined.
  2. Multiply and divide rational expressions.
  3. Add and subtract rational expressions.
  4. Simplify mixed and complex rational expressions.
  5. Solve rational equations.
  6. Solve motion and work problems involving rational equations.
  7. Answer questions relating to the graphs of rational functions.
Activity List