Section: Module 4: Lesson 2: Rational Expressions and Equations | Intro to Algebra & Trigonometry | NextGenU.org

  • Student Learning Outcomes:
    Upon completion of this lesson, you will be able to:
    • Determine the value for which a rational expression is undefined.
    • Simplify rational expressions.
    • Multiply rational expressions.
    • Divide rational expressions.
    • Add and subtract rational expressions with a common denominator.
    • Find the least common denominator and solving a rational expression with unlike denominators.
    • Simplify complex rational expressions.
    • Solve rational equations.
    • Solve similar figures as rational equations and proportions.
    • Solve direct variation problems.
    • Solve inverse variation problems.
    • Solve rational equations applications in physics and other fields.
    Approximate time required for the readings for this lesson (at 144 words/minute): 6 hours and 50 minutes.

    • Required Learning Resources and Activities
    • Read up to Example 7.9. (30 minutes)

      OpenStax, Rice University - 2020

    • Read up to Example 7.22. (30 minutes)

      OpenStax, Rice University - 2020

    • Read the entire page except for Section Exercises. (30 minutes)

      OpenStax, Rice University - 2020

    • Read Solve Rational Equations section (Up to Example 7.38). (15 minutes)

      OpenStax, Rice University - 2020

    • Read from Direct Variation Problems section to end of page. (15 minutes)

      OpenStax, Rice University - 2020

    • quiz icon
      Quiz: Module 4: Lesson 2

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      TO PASS THIS QUIZ YOU MUST OBTAIN A SCORE OF 80%.

      Not available unless: The activity Quiz: Module 4: Lesson 1 is marked complete
    • To access the quiz, click on the name of the quiz provided above. On the following screen, click the "Preview quiz now" button to respond to the questions.

    • Additional Resources for Optional Learning
    • Read Entire Section: Simiplifying Rational Expressions. (10 minutes)

    • Read Section 1.6.4: Add and Subtract Rational Expressions, and Section 1.6.5: Simplifying Complex Rational Expressions - Pages 92-94. (15 minutes)

    • Read the entire page and watch the included video - Section 7.6: Applications of Rational Equations. (25 minutes)

    • Read the entire page and watch included video - Section 7.7: Variation. (20 minutes)