1. 9.4 Multiplying and Dividing Rational Expressions -To multiply and divide rational expressions. -Use rational expressions to model real life quantities

2. Simplified Form A rational expression is in simplified form if its numerator and denominator have no common factors other than ±1.

3. Simplify 1. x 2 + 6x x 3 2. x 2 – 4x – 12 2x 2 – 72

4. Multiply the Rational Expressions Perform the operation and simplify the result: 6x 2 y 3. 10x 3 y 2 2x 2 y 2 18y 2

5. Example Perform the operation and simplify the result:

6. Divide the Rational Expressions Perform the operation and simplify the result:

7. U-try Perform the operation and simplify the result:

8. HOMEWORK p. 558 #3, 4, 19-23 odd, 27-33 odd, 37-41 odd