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5. 100 200 300 400 500 Slope Direct Variation y = mx + b Writing Equations Parallel or Perpendicular The Past

6. Find the slope of the line that passes through the pair of points: (-4, -1) (-3, -3) A 100

7. -2 A 100

8. Find the value of r so the line that passes through each pair of points has the given slope. (6, 2) (9, r) m=-1 A 200

9. A 200

10. In 1990 there were 52 million cable subscribers in the US. In 1998, there were 66 million. What was the rate of change? A 300

11. 1.75 million subscribers per year A 300

12. Find the value of r so that the line that passes through each pair of points has the given slope. (4, r) (r, 2) m= A 400

13. 7

14. What is the slope of the line that passes through (a, b) and (a, -b)? A 500

15. undefined A 500

16. What is the direct variation equation? B 100

17. y = kx B 100

18. What is the constant of variation in the following equation? y = -x B 200

19. B 200

20. If y = 8 when x = 4, find y when x =5. B 300

21. y = 2x, 10 B 300

22. If y = 6 when x =, find x when y = 12. B 400

23. y = 9x, B 400

24. Write a direct variation equation that relates the variables in the following: Kona coffee beans are $14.49 per pound. The total cost of p pounds is C. B 500

25. C = 14.49p B 500

26. What is the slope and y- intercept of the following? y = 4x – 2 C 100

27. m = 4, b = -2 C 100

28. Write an equation of the line whose slope is 3 and y- intercept is -1. C 200

29. y = 3x - 1 C 200

30. What is the slope and y- intercept of the following? 2x + 3y = 6 C 300

31. m =, b = 2 C 300

32. DAILY DOUBLE C 400 DAILY DOUBLE Place A Wager

33. Write an equation of a horizontal line that crosses the y-axis at (0, -5). C 400

34. y = -5 C 400

35. Write an equation of a line that passes through the origin with slope 3. C 500

36. y = 3x C 500

37. Write an equation of the line that passes through (1, 5) with slope 2. D 100

38. y = 2x + 3 D 100

39. Write an equation of the line that passes through the given point with the given slope. (5, -2) m = 3 D 200

40. y = 3x – 17 D 200

41. Write the equation of the line that passes through the given points. (3, -2) (6, 4) D 300

42. y = 2x – 8 D 300

43. Write an equation of the line that has each pair of intercepts. x-intercept: -3 y-intercept: 5 D 400

44. y = x + 5 D 400

45. Write the equation of the line that passes through the given points. (, 1) (, ) D 500

46. y = x + D 500

47. Write the slope-intercept form of an equation for the line that passes through (-1, -2) and is parallel to the graph of y = -3x – 2. E 100

48. y = -3x – 5 E 100

49. Write the slope-intercept form of a line that passes through (1, -3) and is perpendicular to the graph of y = x + 4. E 200

50. y = -2x – 1 E 200

51. Write the slope intercept form of a line that passes through (0, 4) and is perpendicular to the graph of 3x + 8y = 4. E 300

52. y = x + 4 E 300

53. Write the slope-intercept form of a line that passes through (2, 2) and is parallel to the graph of 3x – 4y = -4. E 400

54. y = x + E 400

55. Are the graphs of the two equations perpendicular, parallel or neither? 3y = 2x + 14 2x – 3y = 2 E 500

56. parallel E 500

57. Solve the equation with the given domain. y = x – 9 {-4, -2, 0, 2, 4} F 100

58. {(-4, -13), (-2, -11), (0, -9), (2, -7), (4, -5)} F 100

59. Find the next 3 terms in the arithmetic sequence. -3, -11, -19, -27, … F 200

60. -35, -43, -51 F 200

61. If f(x) = x 2 – x + 1, find g(-1). F 300

62. 3

63. In the following arithmetic sequence, find the 16 th term. 8, 11, 14, 17, … F 400

64. 53 F 400

65. The only straight line that is not a function is….. F 500

66. Vertical F 500

67. The Final Jeopardy Category is: Equations Please record your wager. Click on screen to begin

68. 2[s + 3(s – 1)] = 18 Click on screen to continue

69. 3

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