1. Challenge Problem! Work in your groups to do this problem:

2. A.5 Methods for Solving Equations Failures are finger posts on the road to achievement. -C. S. Lewis

3. Domain Recall: The domain is the set of all x values for which an expression exists. Ex. Find the domain of the following expression.

4. Solve vs. Simplify! This is what we did before: SIMPLIFY This is what we’re doing now: SOLVE

5. Solving Rational Equations Recall how to solve the following equation…

6. Steps for Solving Rational Equations Step 1: Factor all denominators completely. Step 2: Determine the least common multiple. Step 3: Multiply both sides by the LCM (distribute!). Step 4: Solve the new polynomial equation using learned methods. Step 5: Check for any extraneous solutions in the original equation.

7. Solving Rational Equations Solve the equation.

8. Solving Rational Equations What if we have one a little more tricky?!

9. Solving Rational Equations Do with your groups and turn in! Pg 998 #42, 78, 80 Do with your groups and turn in! Pg 998 #42, 78, 80 Solve or Simplify?? a) b) c) d)

10. A.5 Methods for Solving Equations Failures are finger posts on the road to achievement. -C. S. Lewis Homework #6: p.998 #41, 45, 46, 77, 79, 80