1. Over Lesson 10–2 5-Minute Check 1

2. Over Lesson 10–2 5-Minute Check 2

3. Splash Screen Operations with Radical Expressions Lesson 10-3

4. Then/Now Understand how to add, subtract, and multiply radical expressions.

5. Example 1A Add and Subtract Expressions with Like Radicands A. Simplify. Distributive Property Answer: To add or subtract radical expressions, the radicands must be alike.

6. Example 1B Add and Subtract Expressions with Like Radicands B. Simplify. Commutative Property Distributive Property Answer:

7. Example 1A A.

8. Example 1B B.

9. Example 2 Add and Subtract Expressions with Unlike Radicands. It may be necessary to simplify the expressions. Answer: Product Property Simplify. Multiply. Simplify.

10. Example 2

11. Example 3A Multiply Radical Expressions Associative Property Multiply. Simplify. Multiply. Answer:

12. Example 3B Multiply Radical Expressions Associative Property Multiply. Simplify. Multiply. Distributive Property Answer:

13. Example 3A

14. Example 3B

15. Example 4 Multiply Radical Expressions GEOMETRY Find the area of a rectangle in simplest form with a width of and a length of A = A = ℓ ● w Multiply. First termsOuter termsInner termsLast terms

16. Example 4 Multiply Radical Expressions Prime factorization Simplify. Combine like terms. Answer:

17. Example 4

18. Concept

19. End of the Lesson Homework Page 638 #14-33 all, 56-61 all