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Math Face Off

Math Face Off. Monday, April 19, 2010 Math Analysis Ms. Cowan. Math Face Off. Linear Equations 1. Which value for x makes the sentence true? 11x = 8x + 27 A. 81 B. 24 C. 9 D. 1 . Math Face Off. Coordinate System 2. What are the coordinates of the point labeled O?

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Math Face Off

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  1. Math Face Off Monday, April 19, 2010 Math Analysis Ms. Cowan

  2. Math Face Off Linear Equations 1. Which value for x makes the sentence true? 11x = 8x + 27 A. 81 B. 24 C. 9 D. 1

  3. Math Face Off Coordinate System 2. What are the coordinates of the point labeled O? A. (7,-2) B. (-2,-7) C. (-7,-2) D. (2,-7)

  4. Math Face Off Central Tendency 3. What is the mode of the following set of numbers? 59, 79, 94, 59, 79, 110, 79, 124, 94, 124 A. 79 B. 59 C. 85.375 D. 124

  5. Math Face Off Interpret Graphs 4. The line plot below shows the grade distribution from Friday's ten question quiz. Each X represents 1 student. How many more students scored a 90 than scored a 60? A. 4 more students B. 2 more students C. 3 more students D. 5 more students

  6. Math Face Off 5. 

What type of graph is shown above? A. histogram B. bar graph C. stem-and-leaf plot D. scatter plot

  7. Math Face Off Box-and-Whisker Plots 6. The parts of the box-and-whisker plot above are labeled. Which feature of the data is represented by part A? A. outlier B. lower quartile C. lowest value D. upper quartile

  8. Math Face Off 7. Which list of numbers is in order from least to greatest? A. -2,264 , -2,236 , -2,246 , -2,219 B. -2,264 , -2,246 , -2,236 , -2,219 C. -2,219 , -2,236 , -2,246 , -2,264 D. -2,264 , -2,246 , -2,219 , -2,236

  9. Math Face Off 8. Simplify the following expression:(-10) × (-8) A. 18 B. -80 C. -18 D. 80

  10. Math Face Off 9. John has 7 boxes of apples. Each box holds 16 apples. If 5 of the boxes are full, and 2 of the boxes are half full, how many apples does John have? A. 112 B. 39 C. 96 D. 56

  11. Math Face Off Algebraic Expressions 10. If a = -1, b = 4, and c = -7, what is the value of the expression below? a + 6bc - 2c A. -158 B. -156 C. -154 D. -155

  12. Math Face Off Variable Relationships 11. In the following function, if x decreases, how is y affected? y = 3x A. y increases B. y decreases C. y remains constant D. y equals x

  13. Math Face Off Central Tendency 12. What is the median of the following set of numbers? 48, 44, 50, 46, 44, 44, 42, 52, 48 A. 40 B. 44 C. 48 D. 46

  14. Math Face Off Interpret Graphs 13. How many DVDs were sold on Wednesday? A. 31 B. 32 C. 25 D. 22

  15. Math Face Off 14. Christina wants to know if there is a correlation between a person's age and their height. She collected some data and displayed it in the scatter plot below. What can be interpreted from this data? A. There is no correlation between a person's age and their height B. There is a positive correlation between a person's age and their height C. There is both a positive and negative correlation between a person's age and their height D. There is a negative correlation between a person's age and their height

  16. Math Face Off 15. The box-and-whisker plot below represents the scores for two basketball teams throughout an entire season of games. Which score represents the lower quartile for the Red Hawks? A. 85 points B. 65 points C. 75 points D. 80 points

  17. Compare & Order Numbers 16. Which list of numbers is in order from least to greatest? A. 670.92 , 670.892 , 672.09 , 672.089 B. 670.892 , 670.92 , 672.089 , 672.09 C. 670.92 , 670.892 , 672.089 , 672.09 D. 672.09 , 670.892 , 670.92 , 672.089

  18. Compute Solutions 17.    70 × -0.06 A. -4.2 B. -420 C. -42 D. -0.42

  19. Algebraic Expressions 18. Simplify the following expression. (3x - 20y) + (30x + 53y) A. 23x + 83y B. 33x + 73y C. 33x + 33y D. 17x + 83y

  20. Central Tendency 19. What is the interquartile range of the following data set? 44, 49, 54, 61, 59, 47, 47 A. 12 B. 49 C. 47 D. 15 E. 56

  21. Scatter Plots 20. Lisa wants to know if there is a correlation between a person's weight and his or her test score. She collected some data and displayed it in the scatter plot below. What can be interpreted from this data? A. There is a positive correlation between a person's weight and his or her test score. B. There is a negative correlation between a person's weight and his or her test score. C. There is both a positive and negative correlation between a person's weight and his or her test score. D. There is no correlation between a person's weight and his or her test score.

  22. Box-and-Whisker Plots 21. The box-and-whisker plot below represents the monthly distribution of test grades for two classes. Which of the following statements is true, based on the box-and-whisker plot? A. The two classes have the same upper quartile. B. The two classes have the same median. C. The two classes have the same lower quartile. D. The two classes have the same upper extreme.

  23. Compute Solutions 22.    9/6 + 9/6 A. 1 2/7 B. 3 C. 1 D. 1 2/3

  24. 3-Dimensional Objects 23. Which of the following best describes a vertical cross-section of the cone above? A. circle B. cylinder C. triangle D. rectangle

  25. Linear Equations 24. 4(7x + 5) = 6x What is the first step when solving the above equation for x? A. Add 4 to each side. B. Subtract 4 from each side. C. Multiply each side by 4. D. Distribute the 4.

  26. Central Tendency 25. What is the range of the following set of numbers? 47, 38, 48, 44, 43, 41, 40, 50, 41 A. 7 B. 9 C. 6 D. 12

  27. Interpret Graphs 26. Anna's Flower Farm conducted a study to compare the effect of 3 different fertilizers on flowers' growth. Their results are shown below. What is the difference, in centimeters, between Gro Strong's effect on all 3 flower types and Happy Hill's effect on the 3 types? A. 5 cm B. 40 cm C. -5 cm D. 55 cm

  28. Scatter Plots 27. A trainer wants to determine if there is a correlation between the amount of sleep an athlete gets and the number of sit-ups the athlete can complete. What can be interpreted from this data? A. There is both a positive and a negative correlation between the amount of sleep and the number of sit-ups completed. B. There is no correlation between the amount of sleep and the number of sit-ups completed. C. There is a negative correlation between the amount of sleep and the number of sit-ups completed. D. There is a positive correlation between the amount of sleep and the number of sit-ups completed.

  29. Absolute Value 28. Simplify:     -|-7| A. -0.7 B. -7 C. 0 D. 7

  30. Compare & Order Numbers 29. Which list of numbers is in order from least to greatest? A. 4/6, 2/9, 0.3333... B. 2/9, 0.3333..., 4/6 C. 2/9, 4/6, 0.3333... D. 0.3333..., 2/9, 4/6

  31. Compute Solutions 30.  Simplify the following expression: 9 + (-19) A. -28 B. 28 C. 10 D. -10

  32. Scholars,Remember to double check your work. . .

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