1. Class Greeting

2. Chapter 9 Radical Expressions and Equations
Lesson 9-3a
Operations with Radical Expressions

3. Objective: Objective: The student will learn how to add and subtract like radicals. In addition, the student will learn how to multiply radical expressions using the distributive property, and FOIL method.

4. What You Will Learn Add and subtract like radical expressions
Multiply radical expressions

5. Adding and Subtracting Radicals
To add or subtract radicals, they have to have like terms.
Be careful. Add like this is incorrect.
Add like terms.
Distributive Property

6. Your Turn a. b.

7. Simplify .
Answer:
Example 2-1a

8. Simplify .
Answer:
Example 2-1b

9. Simplify
Answer:
Example 2-2a

10. Simplify a. b.
Answer:
Answer:
Example 2-1c

11. Simplify
Answer:
Example 2-2b

12. Multiplying Radical Expressions

13. Example 3 – Multiplying Radical Expressions
Find each product and simplify.

14. Example 4 – Multiplying Radical Expressions
Find each product and simplify.

15. Example 5 – Multiplying Radical Expressions
* If x is < 0 then then x is imaginary.

16. Lesson Summary: Objective: Objective: The student will learn how to add and subtract like radicals. In addition, the student will learn how to multiply radical expressions using the distributive property, and FOIL method.

17. Preview of the next Lesson: Objective: The student will learn how to multiply conjugates and simplify quotients involving radicals.

18. Homework
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19. Stand Up Please