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ACC Module #2 Quiz #3

ACC Module #2 Quiz #3

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ACC Module #2 Quiz #3

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  1. ACCUPLACER Module #2 - QAS Quiz #3 1

  2. Module #2 Quiz #3 SHOW your work!! No Calculator. Use extra space provided. CLEARLY mark your answers. NAME: ______________________ 1. Solve the equation for the unknown, x  5 8. 2 3 2 5 2 A. B. C. 2. Solve the equation for the unknown, 3x - 8 + 5 + 2x = 4x - x + 6. 9 2 2 9 3. Solve the system of equations, -2x + 2y = 28 3x + y = -22 A. (9, 5) C. (9, -5) 6 D. 26 2 9   A. B. 9 2 C. D. B. (-9, -5) D. (-9, 5) 2

  3. 4. Solve the system of equations by graphing, 1 2 3 2 5 3 A. C. 8   y x   y x y y B. 10 10 8 8 6 6 4 4 2 2 x x 8 8 -8 -6 -2 2 4 6 10 -8 -6 -2 2 4 6 10 -4 -4 -10 -10 -2 -2 -4 -4 -6 -6 -8 -8 -10 -10 y y D. 10 10 8 6 6 4 4 2 2 x x 8 -8 -6 -2 2 4 6 10 -4 -10 8 -8 -6 -2 2 4 6 10 -4 -10 -2 -2 -4 -4 -6 -6 -8 -8 -10 -10 3

  4. 5. The table shows the number of students in grades kindergarten (K), first (1), second (2), third (3), fourth (4), fifth (5), and sixth (6). Select the correct bar graph for this data. Grade K 1 2 Number of students A. 150 Number of Students 3 4 5 6 135 150 140 155 145 165 170 B. Students per Grade Students per Grade 200 200 150 Number of Students 100 100 C. 50 50 0 0 4 K 3 5 6 1 2 4 K 3 5 6 1 2 Grade Grade Students per Grade Students per Grade D. 200 200 150 150 Number of Students Number of Students 100 100 50 50 0 0 4 K 3 5 6 1 2 4 K 3 5 6 1 2 Grade Grade 4

  5. 6. A gymnastics team has the following scores for an event: 12.3, 12.7, 14.1, 14.5, 13.8, 13.6, 14.2, 15.2, 14.8, 13.9, 15.4, and 14.3. Find the mean score for the team to the nearest hundredth. A. 14.07 C. 14.57 7. Perform the operation, (8x2 - 6x - 3) - (4x2 - 5x + 4). A. 4x2 - 11x - 7 C. 4x2 - x - 7 8. Apply the polynomial identity to rewrite 9x2 - 30x +25. A. (3x + 5)(3x - 5) C. (3x - 5)(3x - 1) 9. Simplify (4x3)2. B. 14.15 D. 14.71 4x2 - 11x + 1 B. 4x2 -x - 1 D. (3x - 5)2 B. D. (3x - 5)(3x + 1) 4x5 8x6 A. B. 10. The landmass of the United States is about 4 x 106 square miles, and the landmass of Alaska is about 7 x 105 square miles. About how many times larger is the landmass of the United States than the landmass of Alaska? A. 1 C. 4 16x5 16x6 C. D. B. 3 D. 6 5

  6. 11. When would non-probability sampling be used to study the characteristics of a state population? A. Demonstrate existing traits B. Studies with the nth person selected C. Studies with a limited amount of time D. Divide population into groups and obtain a sample 12. A school wants to know the daily attendance of all classes. What data would be good for a census? A. Attendance on Fridays C. Attendance for math classes 13. A toy bin contains 12 yellow balls, 3 orange balls, and 5 white balls. What is the probability of selecting an orange or a white Ball? 3 80 1 4 14. A cell phone company projects 1 B. Attendance every day D. Attendance after holiday breaks 3 A. B. 20 2 5 C. C. 2 of making $3 million, 3 10 of making $1 million, and 1 5 of losing $2 million. What is the expected value? A. $1.4 million B. $1.5 million C. $1.8 million D. $2.0 million 6

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