Over Lesson 10–2 5-Minute Check 1

Over Lesson 10–2 5-Minute Check 2

Splash Screen Operations with Radical Expressions Lesson 10-3

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

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.

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

Example 1A A.

Example 1B B.

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

Example 2

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

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

Example 3A

Example 3B

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

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

Example 4

Concept

End of the Lesson Homework Page 638 #14-33 all, all