Section 3.2 Linear Equations in Two Variables 215 1 1 2 x 3 38. 39. y 40. x y 0 4y x 2 1 2 3 4 5 5 4 y 3 2 1 2 1 1 2 3 4 5 6 7 8 x 5 4 y 3 2 1 2 1 54 3 1 2 3 4 5 1 2 3 4 5 x 5 4 y 1 543 1 2 3 4 5 21 2 3 4 5 41. x y 0 42. 50x 40y 200 43. 30x 20y 60 x 3 2 1 5 4 y 1 2 1 543 1 2 3 4 5 2 3 4 5 x 3 2 1 y 2 1 2 1 543 1 2 3 4 5 1 2 3 4 5 6 7 8 5 4 y 1 2 1 54 3 1 2 3 4 5 2 3 4 5 x 3 2 1 Concept 3: x- and y-Intercepts 44. The x-intercept is on which axis? 45. The y-intercept is on which axis? For Exercises 46–49, estimate the coordinates of the x- and y-intercepts. 46. 47. 5 4 3 321 1 2 3 48. 49. 54 5 4 y 1 1 5 4 3 321 1 2 3 4 5 2 3 4 5 2 1 1 x y 54 5 4 3 321 1 2 3 4 5 2 3 4 5 2 1 1 x y 1 2 3 4 5 2 3 4 5 x 3 2 54 54 321 4 5 2 3 4 5 2 1 1 x y
miller_beginning_intermediate_algebra_4e_ch1_3
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