7.2b Warm-Up Simplify: 3 3 ● ● x5y5 ● 3 2x7y6 200 3 320 3 2x12y11

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Presentation transcript:

7.2b Warm-Up Simplify: 3 3 1. 5 ● 40 2. 4 ● 80 3. x5y5 ● 3 2x7y6 200 3 320 3 2x12y11 100 • 2 3 64 • 5 3x6y5 2y 10 2 4 5 3

7.2b Multiplying and Dividing Radical Expressions Objective: To learn how to multiply and divided radical expressions. ================================================ Property: Dividing Radical Expressions n a a n n If a and b are real numbers, then = n b n b

Example 4: Divide and simplify. -3 3x2 x a. -81 b. 54x8 3 2x 54 x8 -27

On White Board: Divide and simplify. 2x x 2x3 2x2 b. 64x15 2x a. 12x4

Example 5: Divide and simplify. 4y2 a. 3 b. 5 5 4y2 5 2y 5 15 5 8y3

On White Board: Divide and simplify. 9x2 a. 2x3 b. 4 5y 9x2 5y 3x 5y x 10xy 5y 3x 3 36x2

7.2b HOMEWORK Page 383 – 384 23 – 34 and 49 – 51

7.2b Guided Practice Page 383 23 – 34