1. Warm-up:

2. Homework:

3. 9.b multiply and divide rational expressions After this lesson you will be able to… Factor and reduce rational expressions during multiplication Convert division problems into multiplication

4. Multiplying Rational Functions The BASICS: To multiply two rational expressions, multiply numerators x numerators and denominators x denominators

5. BIG IDEA You can reduce BEFORE you multiply!!!

6. Procedure 1. Factor each numerator and each denominator completely. 2. Reduce from top to bottom. 3. Whatever is left, multiply numerator x numerator and denominator x denominator

7. Example 1:

8. Example 2:

9. Example 3:

10. Dividing rational expressions BIG IDEA!!! Change the division to multplication!

11. Procedure: 1. Flip the 2 nd fraction and change to multiplication. 2. Factor and reduce, then multiply.

12. Example 4:

13. Example 5:

14. Homework: HW ST 9.b