1. Algebra I Midterm Review Extravaganza

2. In which month were you born? 12345 1.Jan., Feb. March 2.Apr., May, Jun. 3.Jul., Aug., Sep. 4.Oct., Nov., Dec.

3. Here we go! There is no countdown timer this time but you still must try to work quickly. You will be graded on your performance. This time you earn points (not graded) as a team … I’m no really sure how this will work, so bear with me. Things to remember …

4. 4 times the sum of q and p 1.4q + p 2.4 + q + p 3.4qp 4.4(q + p) 12345

5. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

6. Evaluate u + xy, for u = 18, x = 10, and y = 8. 1.188 2.36 3.98 4.224 12345

7. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

8. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

9. Simplify the expression.

10. 1.108 2.36 3.18 4.9 12345

11. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

12. Name the set(s) of numbers to which –5 belongs. 12345 1.whole numbers, natural numbers, integers 2.rational numbers 3.whole numbers, integers, rational numbers 4.integers, rational numbers

13. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

14. Simplify the expression.

15. –4.8 – (–4.9) + 5.7 12345 1.–4 2.–5.8 3.5.8 4.–15.4

16. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

17. 12345 1.20 2.125 3.–625 4.625

18. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

19. 1.36 2.–72 3.72 4.–36 12345

20. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

21. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

22. (–5 – c)(–1) 12345 1.–5 + c 2.5 + c 3.5 – c 4.–5 – c

23. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

24. Evaluate –x + 2.7 for x = 0.9. 1.–1.8 2.–3.6 3.1.8 4.3.6 12345

25. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

26. Evaluate for x = –2 and y = 3. 1.4 2.8 3.–4 4.–8 12345

27. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

28. Evaluate b – 2a – c for a = –7, b = 3, and c = –7. 1.24 2.3 3.10 4.–18 12345

29. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

30. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

31. Use the Distributive Property to find the price of 7 CDs that cost $14.99 each. 1.$105.00 2.$98.00 3.$104.93 4.$105.70 12345

32. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

33. Name the property the equation illustrates.

34. 12345 1.Inverse Property of Multiplication 2.Multiplication Property of –1 3.Identity Property of Addition 4.Identity Property of Multiplication

35. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

36. 8 + 3.4 = 3.4 + 8 12345 1.Inverse Property of Addition 2.Associative Property of Addition 3.Commutative Property of Addition 4.Inverse Property of Multiplication

37. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

38. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

39. Solve the equation.

40. 3(y + 6) = 30 12345 1.5 2.16 3.4 4.–16

41. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

42. 5x– 5 = 3x– 9 12345 1.–2 2.1 3.–1 4.–3

43. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

44. Write the inequality in words.

45. 5n – 10 > 26 1.Five times n less than ten is twenty-six. 2.Ten plus five times a number is less than or equal to twenty-six. 3.Ten less than five times a number is greater than twenty-six. 4.Ten less than a number is less than or equal to twenty-six. 12345

46. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

47. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

48. 12345 The graph below shows how the cost of gasoline changes over one month. According to the graph, the cost of gasoline ________ decreases. 1.always 2.sometimes 3.never

49. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

50. 12345 A function is ________ a relation. 1.always 2.sometimes 3.never

51. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

52. 12345 An equation in standard form that has a “c” not equal to zero is ________ a direct variation. 1.sometimes 2.always 3.never

53. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

54. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

55. 12345 Evaluate for x = 3. 1.–11 2.1 3.–6 4.11

56. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

57. 12345 xf(x) –12 00 2–4 5–10 Find the constant of variation k for the direct variation. 1.k = –1.5 2.k = 2 3.k = –0.5 4.k = –2

58. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

59. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

60. Find the x- and y-intercept of the line.

61. 12345 2x + 3y = –18 1.x-intercept is 18; y- intercept is 18. 2.x-intercept is –6; y- intercept is –9. 3.x-intercept is 2; y- intercept is 3. 4.x-intercept is –9; y- intercept is –6.

62. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

63. 12345 –3x+ 9y = 18 1.x-intercept is 2; y- intercept is –6. 2.x-intercept is –3; y- intercept is 9. 3.x-intercept is –6; y- intercept is 2. 4.x-intercept is 9; y- intercept is –3.

64. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

65. Find the slope of the line that passes through the pair of points. (2, 3) and (-1, 6) 12345 1.1 2.-1 3.2 4.-2

66. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

67. Are the graphs of the lines in the pair parallel? Explain.

68. y = 1/6x+ 8 –2x+ 12y = –11 1.Yes, since the slope are the same and the y- intercepts are the same. 2.No, since the y- intercepts are different. 3.Yes, since the slope are the same and the y- intercepts are different. 4.No, since the slopes are different. 12345

69. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

70. Graph the function.

71. 12345 1. 2.

72. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

73. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

74. Find the x- and y-intercept of the line.

75. 12345 2x + 3y = –18 1.x-intercept is 18; y- intercept is 18. 2.x-intercept is –6; y- intercept is –9. 3.x-intercept is 2; y- intercept is 3. 4.x-intercept is –9; y- intercept is –6.

76. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

77. Match the following equations with their graphs.

78. 12345 1.2. y = –3

79. 12345 1.2. x = –4

80. 12345 1. 2. y + 2 = –(x – 2)

81. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

82. Tell whether the lines for each pair of equations are parallel, perpendicular, or neither.

83. 12345 y = -1/2x – 11 16x– 8y = –8 1.neither 2.perpendicular 3.parallel

84. Fastest Responders (in seconds) 0Participant 10Participant 11 0Participant 20Participant 12 0Participant 30Participant 13 0Participant 40Participant 14 0Participant 50Participant 15 0Participant 60Participant 16 0Participant 70Participant 17 0Participant 80Participant 18 0Participant 90Participant 19 0Participant 100Participant 20

85. Tell whether the system has no solution, one solution, or infinitely many solutions.

86. y = 5x– 4 y = 5x– 5 1.no solutions 2.one solution 3.infinitely many solutions 12345

87. Fastest Responders (in seconds)

88. y = x + 4 y – 4 = x 1.infinitely many solutions 2.no solutions 3.one solution 12345

89. Fastest Responders (in seconds)

90. y = 2x – 3 y = –x + 3 12345 1.one solution 2.no solutions 3.infinitely many solutions

91. Fastest Responders (in seconds)

92. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

93. Find the value of b that makes the system of equations have the solution (3, 5). y = 3x – 4 y = bx + 2 12345 1.0 2.–1 3.2 4.1

94. Fastest Responders (in seconds)

95. Solve the following systems of equations.... … if you can.

96. y = 2x – 10 y = 4x – 8 12345 1.(3, 4) 2.(–1, –12) 3.(–4, –17) 4.(3, –4)

97. Fastest Responders (in seconds)

98. 3y = –x + 2 y = –x + 9 12345 1.(3, 6) 2.(20, –4) 3.(10, –1) 4.(–1, 8)

99. Fastest Responders (in seconds)

100. The sum of two numbers is 82. Their difference is 24. Write a system of equations that describes this situation. 12345 1.x + y = 8 2x – y = 24 48 and 24 2.x – y = 8 2x + y = 24 52 and 30 3.x + y = 24 y – x = 82 48 and 30 4.x + y = 8 2x – y = 24 53 and 29

101. Fastest Responders (in seconds)

102. 3x + 3y = –93 x – 3y = 21 12345 1.(3, –6) 2.(–5, 2) 3.(3, 3) 4.(2, –5)

103. Fastest Responders (in seconds)

104. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

105. 3x – 4y = –24 x + y = –1 12345 1.(–4, 3) 2.(0, 6) 3.(3, 4) 4.(4, 3)

106. Fastest Responders (in seconds)

107. x + 2y = –63 x + 8y = –20 12345 1.(–1, –4) 2.(–4, 4) 3.(–4, –1) 4.(3, 1)

108. Fastest Responders (in seconds)

109. Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5

110. By what number should you multiply the first equation to eliminate the x ? –3x – 2y = 2 –9x + y = 5 12345 1.6 2.–9 3.2 4.3

111. Fastest Responders (in seconds)

112. Last question! Worth 10,000 points … … no pressure!

113. A motorboat can go 8 miles downstream on a river in 20 minutes. It takes 30 minutes for the boat to go upstream the same 8 miles. Find the speed of the current. 12345 1.7 mph 2.6 mph 3.5 mph 4.4 mph

114. Fastest Responders (in seconds)

115. Final Team Scores 0Team 1 0Team 2 0Team 3 0Team 4 0Team 5