Theme: Which of the following......
  • Which of the following integers is in the solution set of │1 – 3x│ < 5? I -1 II 1 III 2
  • If f(x) = x² – 3, where x is an integer, which of the following could be a value of f(x)? a. 6 b. 0 c. 6 It would be great if you could add a few words of explanation
  • As the value of x increases, which of the following functions would eventually exceed to the other three?1) f(x)=1000x2) f(x)=100x²3) f(x)=50x³2) f(x)=2^x
  • What is the domain of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}? A. {1, 2, 3, 4, 6, 8}B. {1, 2, 3, 4}C. {6, 8}D. {2, 4, 6, 8}Which of the following represents a function? A. B. C. D. What is the range of the function: {(2, 1); (4, 2); (6, 3); (8, 4)}?A. {1, 2, 3, 4, 6, 8}B. {1, 2, 3, 4}C. {6, 8}D. {2, 4, 6, 8Suppose p varies directly with d, and p = 3 when d = 5. What is the value of d when p = 12? A. 5/4 B. 20 C. 14 D. 36/5Given the function T(z) = z – 8, find T(–2). A. –10B. –6C. 10D. 6The number of calories burned, C, varies directly with the time spent exercising, t. When Dennis walks for 4 hours, he burns 800 calories. Which of the following equations shows this direct linear variation? A. C = t B. C = 800t C. C = 4t D. C = 200t
  • Given the function T(z) = z – 6, find T(–4).A. 10B. –10C. 2D. –2What is the range of the function: {(1, 2); (2, 4); (3, 6); (4, 8)}?A. {2, 4, 6, 8} B. {1, 2, 3, 4}C. {6, 8}D. {1, 2, 3, 4, 6, 8}What is the domain of the function: {(1, 3); (3, 5); (5, 7); (7, 9)}?A. {3, 5, 7, 9}B. {1, 3, 5, 7}C. {1, 9}D. {1, 3, 5, 7, 9}Suppose p varies directly as d, and p = 2 when d = 7. What is the value of d when p = 10?A. d =20/7B. d = 15C. d =7/5D. d = 35The number of calories burned, C, varies directly with the time spent exercising, t. When Lila bikes for 3 hours, she burns 900 calories. Which of the following equations shows this direct linear variation? A. C = 300t B. C = t C. C = 3t D. C = 900t
  • Figure ABCS is rotated 90 degrees counter clock wise about the origin. Which of the following gives the correct measure if an image if one of its sides?
  • If the coordinates of point P are (0,8) and the coordinates of point Q are ( 4,2), Which of the following points represents the midpoint of PQ?a) (0,2), b) (2,4), c) (2,5), d) (4,8), e) (4,10)
  • You exercise for one hour each day and you burn 8.5 calories per minute. If you graphed the number of calories you burned as the output, compared to the number of minutes you exercise as input, what would the graph look like? Which of the following would not be true?A. The graph would be a line. B. The graph would rise from left to right. C. The graph would be only in the first quadrant. D. The larger the number of minutes, the fewer calories you would burn.
  • Which of the following intervals represents the set (1,4) u [2,6]?a. (1,6]b. (4,6]c. [2,4)d. (2,6] show work,
  • If 2 less than or equal too X less than or equal too 6, which of the following has the greatest value
  • If y = 8x − 2, which of the following sets represents possible inputs and outputs of the function, represented as ordered pairs? {(0, −2), (1, 6), (2, 14)} {(0, −2), (2, 13), (−5, −40)} {(1, 7), (2, 7), (3, 7)} {(1, 6), (2, 13), (3, 24)}
  • Which of the following equations is an example of direct variation? y + 10 = 2(x + 5) y = 2(x + 5) y + 5 = 2(x + 5) y = x + 5
  • If 0 < x < 1 and 0 < y < 1, which of the following must be true? A. xy> 0 B. xy < 0 C. x/y < 0 D. x-y > 0 E. x-y < 0 I found out the answer is A, but there was no description to it. If someone could explain what they did to solve it and what number they used to plug in that would help.
  • Which of the following is the function representing the graph below?
  • A ball shaped like a sphere has a radius of approximately 2 1/8 inches. Which of the following is the best estimate of the volume of the ball? 32 in³ 11 in³ 25 in³ 17 in³
  • A cell phone company wants to predict the probability of a seventh grader in your city, City A, owning a cell phone. Records from another city, City B, indicate that of seventh graders own a cell phone. a. Assuming the probability of a seventh grader owning a cell phone is similar for the two cities, estimate the probability that a randomly selected seventh grader from City A owns a cell phone. b. According to the data, which of the following is more likely?  a seventh-grade male owning a cell phone  a seventh grader owning a cell phone Explain your choice.
  • 1. Which of the following represents a function? x -2 -1 0 -1 -2 y 2 3 4 5 6 x 1 1 0 2 2 y 1 2 3 4 5 x 1 2 3 4 5 y 2 2 3 3 4 x 1 1 1 1 1 y 2 3 4 5 6 2. What is the domain of the function: {(2, 1); (4, 2); (6, 3); (8, 4)}? {1, 2, 3, 4} {1, 2, 3, 4, 6, 8} {2, 4, 6, 8} {6, 8} 3. What is the range of the function: {(2, 1); (4, 2); (6, 3); (8, 4)}? {1, 2, 3, 4} {1, 2, 3, 4, 6, 8} {2, 4, 6, 8} {6, 8} 4. Suppose p varies directly with d, and p = 7 when d = 3. What is the value of d when p = 28? 4/3 12 16 140/3 5. Given the function T(z) = 7 − z, find T(−4). −11 11 −3 3 6. What is the equation of the graph? f(x) = − |x| + 2 f(x) = − |x| − 2 f(x) = − |x + 2| f(x) = − |x − 2| 7. The number of calories burned, C, varies directly with the time spent exercising, t. When Dennis walks for 4 hours, he burns 800 calories. Which of the following equations shows this direct linear variation? C = t C = 800t C = 4t C = 200t
  • Suppose you have 20 coins that total $4. some coins are nickles and sime are quarters. which of the following pairs of equations would you use to find out how many of each coin you have?
  • In January of 2005, Donatello was one more than eleven times as old as Leonardo. In January of 2014, Donatello was seven more than three times as old as Leonardo. Which of the following statements are true? Check all that apply. In January of 2005, Leonardo was 3. In January of 2005, Donatello was 23. In January of 2014, Leonardo was 15. In January of 2014, Donatello was 43. Leonardo is older than Donatello. Donatello is older than Leonardo.
  • Which of the following is a perfect square trinomial? A. 25x2 + 30xy - 9y2 B. 25x2 - 30xy + 9y2 C. 25x2 - 16xy + 9y2 D. 25x2 + 16xy - 9y2
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