1. How do you check for extraneous solutions? -=

2. In this lesson you will learn to identify extraneous solutions in rational equations by checking solutions.

3. Let’s Review x = …?

4. A Common Mistake

5. Core Lesson -= = = 5x(x+2)* = 5x(x+2)*

6. 10x 2 -10x = x 2 + 2x 9x 2 -12x = 0 3x(3x-4) = 0 x = 0, - =

7. In this lesson you have learned to identify extraneous solutions in rational equations by checking solutions

8. Guided Practice = -

9. Extension Activities What is an extraneous solution? Why are we concerned about them in math?

10. Can you solve the following equation in a way that does not result in an extraneous solution? -=

11. Quick Quiz Identify extraneous solutions; solve for x Identify extraneous solutions; solve for x += -=