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ACCUPLACER® QAS Practice Test #3 ACCUPLACER® Practice Test QAS #3 © 2017 The College Board
ACCUPLACER® QAS Practice Test #3 Choose the best answer. Do NOT use a calculator! If necessary, use the paper you were given. 1. Solve the equation for the unknown, a - 10 = - 20. A. - 30 C. 2 2. Solve the inequality for the unknown, 2 B. - 10 D. 200 4 5 4 2. x x 3 3. Solve the equation for c, 2a(b + c) = c. 2 1 2 2 2 a 4. Solve the system of equations, -2x + 6y = 6 and 4x - 5y = 26. A. (2, 3) C. (6, 9) x x A. B. 45 45 x x C. D. 90 90 2 ab ab a a A. B. c c 1 2 2ab a ab C. D. c c B. (3, 6) D. (9, 2) © 2017 The College Board
ACCUPLACER® QAS Practice Test #3 5. Solve the system of equations by graphing, y = -7 + 7 and y = 2x - 8. A. 10 y y B. 10 8 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 C. y y D. 10 10 8 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 6. The data set represents the number of weekly pop-up ads for 12 families: 125, 145, 150, 130, 150, 120, 170, 165, 175, 145, 150, and 130. Find the median. A. 145 C. 147 B. 145.5 D. 147.5 © 2017 The College Board
ACCUPLACER® QAS Practice Test #3 7. Find the mode for the data set 42, 45, 44, 44, 5, 42, 45, 44, 45, 46, 42, 44, 41, 48, 47, 46, 45, 42, 42, and 44. A. 42, 43 B. C. 42, 44, 45 D. 8. Find the mean for the data set 16, 18, 17, 15, 19, 14, 12, 1, 10, 16, 18, and 17. A. 14.25 B. C. 16 D. 9. Multiply (4x + 5)(3x - 2). A. 12x2 -7x + 10 B. C. 12x2 +7x - 10 D. 10. Perform the operation, (-3x + 5xy - 6y) - (4x + 2xy 5y). A. -7x + 7y - y B. C. -7x + 3xy - y D. 11. Apply to polynomial identity to rewrite x2 + 20x + 100. A. x2 + 100 B. C. (x2 + 10)2 D 2 ( 7) . ( 7) A. -343 B. C. -21 D. 44, 45 42, 43, 44, 45 15.25 17 12x2 + 7x + 10 12x2 - 7x - 10 -7x + 7xy - 11y -7x + 3xy - 11y (x + 10)2 (10x)2 12. Simplify 1 -49 -7 © 2017 The College Board
ACCUPLACER® QAS Practice Test #3 13. The error on one manufacturing machine is 2 x 10-4, and the error on a second machine is 8 x 10-5. How many times larger is the error on the first? A. 1 B. C. 3 D. 14. Solve x2 = 225. A. -5, 5 B. C. -15, 15 D. 15. In which of the following situations is probability sampling used? A. Qualitative research C. Randomly selected samples 16. A teacher wants to know if seat location affects test scores. What data needs to be collected for an experiment? A. The teacher should collect data on one seat for every class B. The teacher should collect data on one student for every class C. The teacher should collect data on a random sample of students for the final exam. D. The teacher should collect data on a random sample of students of test scores and location. 17. Identifying the sampling technique that is a simple random sample for obtaining the opinion of grocery shoppers. A. Selecting 500 shoppers in the same city B. Selecting 500 shoppers who shop on Mondays C. Selecting 500 shoppers that bring in their children D. Selecting 500 shoppers by using a random number generator 2 4 -10, 10 -20, 20 B. Studies with specific goals D. Studies with limited functions © 2017 The College Board
ACCUPLACER® QAS Practice Test #3 18. If a letter is chosen at random from the word SUBSTITUTE, what is the probability that the letter chosen is "S" or "T"? 1 5 2 5 19. There are 60 students attending classes in town. There are 40 students in dance class and 30 students in art class. Find the number of students in either dance or art class. A. 30 B. C 50 C. 20. Which option results in the greatest gain on an investment? A. 60% of gaining $5,000 and 40% of gaining $0 B. 70% of gaining $4,500 and 30% of gaining $0 C. 80% of gaining $4,000 and 20% of gaining $0 D. 90% of gaining $3,500 and 10% of gaining 40 3 A. B. 10 1 2 C. D. 40 60 © 2017 The College Board