Splash Screen. Lesson Menu Five-Minute Check (over Lesson 10–2) CCSS Then/Now Example 1:Add and Subtract Expressions with Like Radicands Example 2:Add.

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Presentation transcript:

Splash Screen

Lesson Menu Five-Minute Check (over Lesson 10–2) CCSS Then/Now Example 1:Add and Subtract Expressions with Like Radicands Example 2:Add and Subtract Expressions with Unlike Radicands Example 3:Multiply Radical Expressions Example 4:Real-World Example: Multiply Radical Expressions Concept Summary: Operations with Radical Expressions

Over Lesson 10–2 5-Minute Check 1 A. B. C. D.

Over Lesson 10–2 5-Minute Check 2 A.144 B. C. D.36

Over Lesson 10–2 5-Minute Check 3 A. B. C. D.

Over Lesson 10–2 5-Minute Check 4 A. B. C. D.

Over Lesson 10–2 5-Minute Check 5 The formula for the total surface area of a cube with side ℓ is 6ℓ 2. The surface area of a cube is 648 square feet. What is the length of side ℓ? A. B. C. D.

Over Lesson 10–2 5-Minute Check 6 A. B. C. D.

CCSS Content Standards N.RN.2 Rewrite expressions involving radicals and rational exponents using the properties of exponents. Mathematical Practices 2 Reason abstractly and quantitatively. Common Core State Standards © Copyright National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.

Then/Now You simplified radical expressions. Add and subtract radical expressions. Multiply radical expressions.

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

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

Example 1A A. A.65 B. C. D.

Example 1B B. A. B. C. D.3

Example 2 Add and Subtract Expressions with Unlike Radicands Answer: Product Property Simplify. Multiply. Simplify.

Example 2 A. B.305 C. D.

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 A. B. C. D.

Example 3B A. B. C. D.

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 A. B. C. D.

Concept

End of the Lesson