Chapter 8 Videos

Section 8.1

  • Lesson: Simplifying Rational Expressions

  • Lesson: Evaluating Rational Expressions, Where they Equal Zero / Undefined, Finding Domains

  • Lesson: The Multiplicative Property of -1 / “The -1 Trick”

  • Examples: More Discussion of the “-1” Trick if You Are Struggling

  • Examples: Simplifying Rational Expressions

  • Examples: Simplifying Rational Expressions and using the “-1 trick”

  • Examples: Finding the Domain of a Rational Expression

Section 8.2

  • Lesson: Multiplying Rational Expressions

  • Lesson: Dividing Rational Expressions

  • Examples: Multiplying and Dividing with Harder Factoring

  • Examples: Slower-Paced Lesson on Multiplying, lots of examples

  • Examples: Slower-Paced Lesson on Division, lots of examples

Section 8.3

  • Lesson: A Quick Review of How to Find LCDs for Fractions

  • Lesson: How to Find LCDs Between Rational Expressions

  • Lesson: Writing Equivalent Rational Expressions with the LCD

  • Examples: More Examples of Finding More Complicated LCDs

  • Examples: Slower-Paced Lesson on the Basics of Finding LCDs, lots of examples

  • Examples: Slower-Paced Lesson for Finding LCDs of Rational Expressions with Polynomials

Section 8.4

  • Lesson: Adding and Subtracting Rational Expressions

  • Examples: Slower-Paced Lesson on Adding and Subtracting, many examples

  • Examples: When Are You Allowed to Cancel / Unsure When I Can Cancel

Section 8.5

  • Lesson: Complex Fractions

  • Examples: More Complicated Complex Fractions (Multiple fractions over multiple fractions)

  • Examples: Slower-Paced Instruction on the Basics of Complex Fractions, many examples

Section 8.6

  • Lesson: Solving Rational Equations

  • Lesson: Solving Formulas

  • Lesson: Comparing the 3 Ways to Use the LCD

  • Examples: When Can You Use Cross-Multiplication?

  • Examples: Slower-Paced Instruction on The Basics of Solving Rational Equations, many examples

  • Examples: Slower-Paced Instruction on More Complicated Rational Equations, many examples

Section 8.7

Section 8.8