266 Chapter 3 Graphing Linear Equations in Two Variables For Exercises 21–24, graph the equation. 21. 22. x 2y 4 x y 5 5 4 y 2 1 2 1 23. 24. 5 4 y 1 21 y 3x y x 1 4 5 4 y 1 2 1 5 4 y 1 1 For Exercises 25–28, identify the line as horizontal or vertical. Then graph the equation. 25. 3x 2 10 26. 2x 1 2 5 y 4 1 2 1 5 4 y 1 21 27. 6y 1 13 28. 5y 1 14 5 4 y 1 765 43 1 2 3 21 1 2 3 4 5 x 3 2 5x 3y 12; 2x 4y 6; y 1 3 x 2; y 5 4 y 1 2 5 x 1; 543 1 2 3 4 5 2 1 2 3 4 5 x 3 2 1 y x 4 3 1 2 3 76 54 3 2 3 1 3 4 5 6 2 2 1 1 2 5 4 y 1 543 1 2 3 4 5 2 1 2 4 5 x 3 2 1 3 543 1 2 3 5 2 3 4 5 x 3 2 1 4 543 1 2 3 4 5 2 3 4 5 x 3 2 1 Section 3.2 For Exercises 13–16, determine if the given ordered pair is a solution to the equation. 13. (0, 4) 14. (3, 0) 15. (9, 1) 16. (10, 5) For Exercises 17–20, complete the table and graph the corresponding ordered pairs. Graph the line through the points to represent all solutions to the equation. 17. 18. 1 2 3x y 5 x 3y 6 19. y x 1 20. y 2x 3 543 1 2 3 4 2 3 4 5 x 3 1 5 543 1 2 3 4 5 2 3 4 5 x 3 2 1 543 1 2 3 4 5 2 3 4 5 x 3 2 1 543 2 1 2 3 4 5 2 3 4 5 x 3 2 1 5 4 y 2 1 543 1 3 4 5 21 2 3 4 5 x 3 1 5 4 y 3 2 1 2 543 21 1 2 3 4 5 2 3 4 5 x 1 x y 2 4 1 x y 2 2 3 x y 0 3 6 x y 0 3 1
miller_beginning_intermediate_algebra_4e_ch1_3
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