1. 6.6 Solve Radical Equations

2. Solve for x
Don’t forget to check your solution.

3. Solve for y.
Check your solutions.

4. Solve.
Check your solutions!!

5. Solve.
Check your solutions.

6. Only use the positive answers when checking solutions.
Solve.
Only use the positive answers when checking solutions.
Factor this to solve
Check your solutions.
Solution

7. So, why didn’t one of the solutions work?
The solution that did not work is called an extraneous solution.
An extraneous solution is a false solution.
This is the reason why you MUST check all solutions!!