By TAN
Within the market-leading FINITE arithmetic FOR THE MANAGERIAL, lifestyles, AND SOCIAL SCIENCES, Soo T. Tan presents a correct, available presentation of finite arithmetic mixed with simply the appropriate stability of purposes, pedagogy, and know-how to aid scholars achieve the path. the recent 8th variation contains hugely attention-grabbing present functions and Microsoft Excel routines to assist stimulate pupil motivation. a thrilling new array of supplementations, together with iLrn educational and the Interactive Video Skillbuilder CD-ROM, presents scholars with large studying help so teachers can have extra time to target instructing the center strategies.
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Additional info for Finite Mathematics for the Managerial, Life, and Social Sciences, 8th Edition
Sample text
In Exercises 13–20, sketch a set of coordinate axes and plot the point. y 5 11. Which point has an x-coordinate that is equal to zero? 1 3 5 7 C 3 9 x F 13. (Ϫ2, 5) 14. (1, 3) 15. (3, Ϫ1) 16. (3, Ϫ4) 17. (8, Ϫ7/2) 18. (Ϫ5/2, 3/2) 19. 5) 20. 4) In Exercises 21–24, find the distance between the points. 21. (1, 3) and (4, 7) 5 23. (Ϫ1, 3) and (4, 9) 7 24. (Ϫ2, 1) and (10, 6) 22. (1, 0) and (4, 4) E 1. A 2. B 3. C 4. D 5. E 6. F 25. Find the coordinates of the points that are 10 units away from the origin and have a y-coordinate equal to Ϫ6.
Which points have negative y-coordinates? 10. Which point has a negative x-coordinate and a negative y-coordinate? In Exercises 29–34, find an equation of the circle that satisfies the conditions. 29. Radius 5 and center (2, Ϫ3) 30. Radius 3 and center (Ϫ2, Ϫ4) 31. Radius 5 and center at the origin 32. Center at the origin and passes through (2, 3) 33. Center (2, Ϫ3) and passes through (5, 2) 34. Center (Ϫa, a) and radius 2a 8 1 STRAIGHT LINES AND LINEAR FUNCTIONS 35. DISTANCE TRAVELED A grand tour of four cities begins at city A and makes successive stops at cities B, C, and D before returning to city A.
1 THE CARTESIAN COORDINATE SYSTEM 7 Concept Questions 1. What can you say about the signs of a and b if the point P(a, b) lies in (a) the second quadrant? (b) The third quadrant? (c) The fourth quadrant? 1 2. a. What is the distance between P1(x1, y1) and P2(x2, y2)? b. When you use the distance formula, does it matter which point is labeled P1 and which point is labeled P2? Explain. Exercises In Exercises 1–6, refer to the accompanying figure and determine the coordinates of the point and the quadrant in which it is located.