176 Chapter 2 Linear Equations and Inequalities Section 2.8 Practice Exercises Study Skills Exercise Find the page numbers for the Chapter Review Exercises, the Chapter Test, and the Cumulative Review Exercises for this chapter. Chapter Review Exercises Chapter Test Cumulative Review Exercises Compare these features and state the advantages of each. Vocabulary and Key Concepts 1. a. A relationship of the form is called a in one variable. ax b 7 c or ax b 6 c 1a 02 b. A statement that involves more than one is called a compound inequality. c. The notation is an example of notation, whereas is an example 5x ƒ x 7 96 19, 2 of notation. Review Problems For Exercises 2–4, solve the equation. 2. 3. 10y 71y 82 13 13 612y 12 31x 22 12x 72 15x 12 21x 62 6 81x 32 5x 5x 12x 52 13 4. Concept 1: Graphing Linear Inequalities For Exercises 5–16, graph the solution set of each inequality. (See Examples 1–2.) 5 2 5. 6. 7. 8. x x 6 1 x 7 5 x 7.2 9. 10. 11. 12. 3 m 8 9 13 7 p 12 t 2 y 6.5 13. 0 6 x 6 4 14. 4 6 y 6 1 15. 1 6 p 8 16. 3 t 6 3 Concept 2: Set-Builder Notation and Interval Notation For Exercises 17–22, graph each inequality and write the solution set in interval notation. (See Example 3.) Set-Builder Notation Graph Interval Notation 17. 18. 19. 20. 5x 0 x 66 e x 0 1 2 6 x 4 f 5x 0 x 2.16 e x 0 x 7 7 3 f 5x 0 2 6 x 76 21. 22. 5x 0 x 6 56
miller_beginning_intermediate_algebra_4e_ch1_3
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