Section 2.1 Linear Equations in Two Variables 141 1 5 x y 0 5 5 x y 0 3 6 5 4 y 1 543 2 1 1 2 3 4 5 2 3 4 5 x 3 2 1 5 4 y 1 21 43 1 2 3 4 5 2 3 4 5 6 x 3 2 1 17. 18. y 1 3 y x x In Exercises 19–30, graph the linear equation by using a table of solutions. (See Examples 3–4.) 19. x y 5 20. x y 8 21. 3x 4y 12 7 6 5 4 3 2 1 y 32 1 2 3 4 5 6 7 1 1 2 3 x 2 1 y 876 5432 1 2 1 1 2 3 4 5 6 7 8 x 5 4 3 2 1 21 543 1 2 3 4 5 1 2 3 4 5 22. 5x 3y 15 23. y 3x 5 24. y 2x 2 x y 5 3 6 5 4 3 2 1 21 543 1 2 3 4 5 2 5 1 2 3 4 7 6 5 4 3 2 1 21 1 5 4 3 2 1 21 1 25. y x 1 26. y x 1 27. x 5y 5 x y 543 1 2 3 4 5 2 3 x y 543 1 2 3 4 5 2 3 4 5 x y 5 4 3 2 1 21 543 1 2 3 4 5 1 2 3 4 5 x y 7 6 5 4 3 2 1 543 1 2 3 4 5 21 1 2 3 x y 5 4 y 1 543 2 1 1 2 3 4 5 2 3 4 5 x 3 2 1 28. x 4y 2 29. x 2y 30. x 3y 5 4 y 1 543 2 1 1 2 3 4 5 2 3 4 5 x 3 2 1 5 4 y 1 543 2 1 1 2 3 4 5 2 3 4 5 x 3 2 1 5 4 y 1 543 2 1 1 2 3 4 5 2 3 4 5 x 3 2 1
miller_intermediate_algebra_4e_ch1_3
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