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miller_introductory_algebra_3e_ch1_3

218 Chapter 3 Graphing Linear Equations in Two Variables 9. Plot the points on a rectangular coordinate 10. Plot the points on a rectangular coordinate system. 3 211, 52 b 1635 a2, 13, 22 , 12 a , 4b 7 2 8 7 6 5 4 21 y 1 (4, 2) 8 7 6 5 2 1 y 1 For Exercises 11–18, identify the quadrant in which the given point is found. 11. (13, 2) 12. (25, 16) 13. (8, 14) 14. (82, 71) IV I II III 7 4III II b a I IV 5 2 15. (5, 19) 16. (31, 6) 17. , 18. (9, 40) 10, 52 11, 02 19. Explain why the point is not 20. Explain why the point is not located in Quadrant IV. located in Quadrant II. 10, 52 lies on the y-axis. 11, 02 lies on the x-axis. 1, 65 02 10, 2 78 21. Where is the point located? 22. Where is the point located? , 02 is located on the y-axis. 10, 65 is located on the x-axis. 178 Concept 3: Applications of Plotting and Identifying Points For Exercises 23 and 24, refer to the graph. (See Example 3.) 23. Estimate the coordinates of the points A, B, C, D, E, and F. 24. Estimate the coordinates of the points G, H, I, J, K, and L. 5 4 3 y A I 2 L 1 54 3 1 2 3 5 G K 21 D B E H C F J 1 2 3 4 5 x 4 25. A map of a park is laid out with the visitor center located at the origin. Five visitors are in the park located at points A, B, C, D, and E. All distances are in meters. a. Estimate the coordinates of each visitor. (See Example 3.) b. How far apart are visitors C and D? 450 m 500 400 300 200 100 300 100 100 200 100 500 x B A E D C 300 400 500 300 500 y A1400, 2002, B1200, 1502, C1300, 2002, D1300, 2502, E10, 4502 2 A14, 22, B112 , 42, C13, 42, D13, 42, E10, 32, F15, 02 G15, 22, H11, 52, I1312 , 22, J1112, 32, K12, 02, L10, 22 system. a. b. (0, 4) c. a. (7, 0) b. c. d. e. (4, 2) f. d. (0, 1.5) e. f. a 7 2 12, 1.752 16, 02 , 4b 87 654 3 1 3 4 5 6 7 8 2 3 4 5 6 7 8 x 3 2 1 2 (2, 1.75) (1, 5) (0, 4) (6, 0) (2, ) 32 8 76 543 1 2 3 4 5 6 8 2 3 4 5 6 7 8 x 3 2 1 ( , 4) 72 ( , 4) 72 7 (6 , 1) (7, 0) (0, 1.5) (3, 2) 4 35 Writing     Translating Expression     Geometry      Scientific Calculator     Video


miller_introductory_algebra_3e_ch1_3
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