1. Warm Up January 27, 2014 Simplify 1. Pick up handout on back table

2. 9.6 Solving Rational Equations p.569

3. Hint for solving: A quick way to solve a rational equation is to multiply everything through by the LCD. This will get rid of all the fractions! Beware of extraneous solutions!

4. Example: Solve. LCD: 2x Multiply each fraction through by the LCD Check your solution!

5. Solve. LCD: ? LCD: (x+1) Check your solution! ? No Solution!

6. Solve. Factor 1 st ! LCD: (x+2)(x-2) Check your solutions!

7. Short Cut! When there is only fraction on each side of the =, just cross multiply as if you are solving a proportion.

8. Example: Solve. Check your solutions!

9. Last Example: Solve. Check your solutions!

10. Assignment Work on Practice A worksheet 8-3 - Adding and Subtracting Rational Expressions