1. A manufacturer has a setup cost of $2000 for the production of a new football. The cost of labor and materials for producing each unit is $15. (a) Write a rational expression that models the average cost per unit when x units are produced. (b) Find the domain of the expression in part (a). (c) Find the average cost per unit when 300 units are produced. Review: 7.1b Mini-Quiz

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3. Chapter 7 Rational Expressions and Equations Lesson 7-2a Multiplying Rational Expressions

4. Objective: Students will learn how to multiply rational expressions.

5. Example 3-1a Answer: 1 11 11211 d 2d 2 q 2q 2 r 3r 3 Find

6. Example 3-2a Answer: 1 1 1 x 2x 2 Find

7. Example 3-2a Find 1 1 1 1 Answer:

8. Example 3-1b Answer: a. Find b. Find

9. Example 3-2b a.Find b.Find Answer:

10. Lesson Summary: Objective: Students will learn how to multiply rational expressions.

11. Preview of the next Lesson: Objective: Students will learn how to divide rational expressions. Students will solve real world word problems involving multiplying and dividing rational expressions.

12. Homework 397+398/1-43 odd

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