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Objective : Add and subtract radical expressions. Chapter 11.6 Addition and Subtraction. By Nathan Lee Loera Period 2. Example 1. Textbook : Page 505, Question 1. Add or subtract. 3√2 + 4√2. Add Like terms. (3 + 4)√2. Answer : 7√2. Example 2. Textbook : Page 505 Question 15.
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Objective : Add and subtract radical expressions Chapter 11.6Addition and Subtraction By Nathan Lee Loera Period 2
Example 1 Textbook : Page 505, Question 1 Add or subtract. 3√2 + 4√2 Add Like terms (3 + 4)√2 Answer : 7√2
Example 2 Textbook : Page 505 Question 15 Add or subtract. √72 + √98 Simplify the Radicals 36 2 49 2 * * 6√2 + 7√2 Add like terms Answer : 13√2
Example 3 Textbook : Page 505 Question 29 Add or subtract. √(x + x ) + √(9x – 9) 5 2 3 Simplify the Radicals √(x (x – 1)) + √(9(x – 1) 2 3 3 x√(x – 1) + 3√(x – 1) 3 3 Add like terms 3 Answer : (x + 3)√(x – 1)
Example 4 Textbook : Page 505 Question 35 Add or subtract. √3 - √ Rationalize the Denominator 1 _ 3 √3 - √3 __ Add like terms 3 (1 – 1 )√3 _ 3 Answer : 2 √3 3