1. Solve 3x = 18. A. 7 B. 15 C. 21 D. 6 Hint 2. If the number 178,651 is rounded to 179,000 and plotted on a stem and leaf plot as 17|9, how would you plot 151,205? A. 15|2 B. 1|15 C. 151|2 D. 15|1 Hint 3. Which statistic gives the most accurate information for the following set of test scores? 2, 85, 87, 88, 89 A. median B. range C. mode D. mean Hint 4. What is the first step in solving 4x – 3 = 9? A. Subtract 3 from each side of the equation. B. Divide each side of the equation by 4. C. Divide each side of the equation by –3. D. Add 3 to each side of the equation. Hint 5. Write 7 more than w is 25 as an algebraic equation. A. w – 7 = 25 B. w + 7 = 25 C. 7 = 25 + w D. 7w = 25 Hint 6. A music club is offering unlimited CDs for \$6.00 each. There is also a \$5.00 shipping cost. If m = the number of CDs, which equation can you use to determine how many CDs you can buy with \$35.00? A. 6m = 35 B. 5m + 6 = 35 C. 6m + 5 = 35 D. 5 + 6 = 35m Hint 7. Solve x + 3 = 22. A. 25 B. 23 C. 19 D. 17 Hint 8. Solve 3x = 36. A. 12 B. 6 C. 14 D. 13 Hint 9. Choose an appropriate scale for the data 69, 72, 121, 81, 98. A. 70 to 120 B. 65 to 125 C. 40 to 100 D. 70 to 100 Hint 10. The median is the __________ of a set of numbers. A. middle number B. highest number C. arithmetic average D. most frequent number Hint 11. Solve x = -9 - (-7). A. -16 B. 2 C. -2 D. 16 Hint 12. Solve 10 – 6s = -32. A. -7 B. -5 C. 5 D. 7 Hint 13. Write 63 as a product of the same factor. A. 3 · 3 · 3 · 3 · 3 · 3 B. 3 · 3 · 3 C. 6 · 6 · 6 D. 6 · 6 · 6 · 6 · 6 · 6 Hint 14. Evaluate 15. A. 1 B. 5 C. 15 D. 6 Hint 15. Choose the sequence that is neither arithmetic nor geometric. A. 2, 1, 0.5, 0.25, … B. 1, 1, 1, 1, … C. 15, 18, 21, 25, … D. 11, 18, 25, 32, … Hint 16. Which set of numbers is ordered from least to greatest? A. 101,000,000; 10,100,000; 1.0 × 107; 1.01 × 106; B. 1.01 × 106; 1.0 × 107; 10,100,000; 101,000,000 C. 10,100,000; 1.01 × 106; 101,000,000; 1.0 × 107 D. 10,100,000; 101,000,000; 1.01 × 106; 1.0 × 107 Hint 17. Simplify 16 + y + (-20). A. 4 + (-y) B. y - 36 C. 4 + y D. y + (-4) Hint 18. The table shows the performance of the stock market each day of the past week. Write an integer to represent the value of the stock market by the end of the week. A. 6.76 B. -6.76 C. -33.30 D. 33.30 Hint 19. Complete the following function table for y = 3x - 1. A. B. C. D. Hint 20. Find the slope of the line that passes through each pair of points. (0, 7), (6, -5) A. - B. C. -2 D. 2 Hint