1. Multiply and Divide Rational Expressions
Chapter Dr. Guram
Algebra II

2. Focus Questions How will we multiply and divide rational expressions?
How do we utilize rational expressions in the real world?

3. Curriculum standards
TN (Associated Tennessee Learning Expectations) Also:
… multiply, divide and simplify rational expressions.
Sources:
Spring Board Algebra 2 Textbook

4. Real World Examples Utilizing Rational Expressions
What are examples of ways people utilize rational expressions in real world situations?
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5. Real World Example of Rational Expressions
Compare the efficiencies of two designs

6. Academic Language
Simplified form of a rational expression: A rational expression in which the numerator and denominator have no common factors other than +1 or -1.
Reciprocal: The reciprocal, or multiplicative inverse of any nonzero number b is 1/b.

7. Simplifying Rational Expressions

8. Example 1

9. Example 1

10. Example 2

11. Example 2

12. Guided Practice

13. Multiplying Rational Expressions

14. Example 3

15. Example 3

16. Example 4

17. Example 4 Solution

18. Example 5

19. Example 5

20. Guided Practice

21. Dividing Rational Expressions

22. Example 6

23. Example 6 Solution

24. Example 7

25. Example 7

26. Guided Practice

27. Review How will we multiply and divide rational expressions?
How do we utilize rational expressions in the real world?

28. Explain the mathematical terms:
Review of terms
Explain the mathematical terms:
Simplified form of a rational expression
Reciprocal

29. Class and HW Problems
Worksheet