Algebra II Workbook - Wayne County Public Schools

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LESSON 1.3 CONTINUED NAME _________________________________________________________ DATE ____________ Practice with Examples For use with pages 19–24 Exercises for Example 3 Solve the equation. 13. 5x 3 12 2x 2 14. 4k 2 3k 1 7 EXAMPLE 4 15. 2x 2x 1 16. Solving an Equation with Fractions Solve 3x 9 2x 5 2 3 x 3 5 4 15 . Chapter 1 SOLUTION 2 3 x 3 5 4 15 15 2 3 x 3 5 15 4 10x 9 4 10x 5 x 1 2 15 Write original equation. Multiply each side by the LCD, 15. Distributive property To isolate x, subtract 9 from each side. Divide each side by 10. Exercises for Example 4 Solve the equation. 17. 6n 2 3 35n 2 18. 4 x 1 4 1 3 19. 20. 5 x 2 2 x 2 3 4x 3 x 1 Copyright © McDougal Littell Inc. All rights reserved. Algebra 2 9 Practice Workbook with Examples
LESSON 1.4 Practice with Examples For use with pages 26–32 NAME _________________________________________________________ DATE ____________ GOAL Rewrite equations and common formulas with more than one variable EXAMPLE 1 Calculating the Value of a Variable Chapter 1 Given the equation y 2x 10, find the value of y when x 4. SOLUTION: Method 1 y 2x 10 Write original equation. y 24 10 Substitute 4 for x. y 8 10 Simplify. y 2 y 2 To isolate y, add 8 to each side. Divide each side by 1. SOLUTION: Method 2 y 2x 10 y 10 2x y 10 2x y 10 24 y 2 Write original equation. To isolate y, subtract 2x from each side. Divide each side by 1. Substitute 4 for x. Simplify. Exercises for Example 1 Find the value of y for the given value of x. 1. xy 2x 20; x 5 2. 4x 3y 10 1; x 1 3. 5x 7y 1; x 4 4. x 6 xy; x 3 10 Algebra 2 Practice Workbook with Examples Copyright © McDougal Littell Inc. All rights reserved.
Page 1 and 2: Algebra 2 LARSON BOSWELL KANOLD STI
Page 3 and 4: Contents Chapter Title 1 Equations
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Page 7 and 8: LESSON 1.2 Practice with Examples F
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LESSON 4.1 Practice with Examples F
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Algebra II Workbook - Wayne County Public Schools

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