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MATH 1111 - College Algebra: 1.7 Rational Expressions and Equations

1.7 Rational Expressions and Equations

At the end of this section students will be able to:

  • Determine the domain of a rational expression
  • Simplify in lowest terms a rational expression
  • Multiply and divide rational expressions
  • Add and subtract rational expressions
  • Simplify complex fractions
  • Solve equations involving rational expressions

Required Reading

0.8 Rational Expressions and Equations

Stitz-Zeager Prerequisites - pages 96-107

Practice Exercises

Stitz-Zeager Prerequisites - pages 108-110

Answers to practice exercises can be found on page 110.

Supplemental Resources

Simplifying Rational Expressions (tutorial): West Texas A&M University Virtual Math Lab (College Algebra Tutorial 8)

Multiplying and Dividing Ration Expressions (tutorial): West Texas A&M University Virtual Math Lab (College Algebra Tutorial 9)

Adding and Subtracting Rational Expressions (tutorial): West Texas A&M University Virtual Math Lab (College Algebra Tutorial 10)

Simplifying Complex Fractions (tutorial): West Texas A&M University Virtual Math Lab (College Algebra Tutorial 11)

Solving Equations with Rational Expressions (tutorial): West Texas A&M University Virtual Math Lab (College Algebra Tutorial 15)

 

Multiplying and Dividing Rational Expressions:

 

 

Simplifying Complex Fractions:

 

Solving Rational Equations: http://youtu.be/mllfGFaqCiE?list=PL7F3777DD8072DF17