1. Which symbol makes the following statement true?7,500 ______ 7.5 × 103 A. B. = C. < D. > Hint 2. What is the scale in the frequency table? A. 51-60 B. 91-100 C. 51-100 D. 0-100 Hint 3. What is the median for a set of quiz scores? A. 15 B. 13 C. 16 D. 17 Hint 4. Which statistic is misleading in the following set of test scores? 2, 85, 87, 88, 89 A. upper quartile B. mode C. median D. mean Hint 5. In a survey, 75 out of 100 eighth graders said they bought lunch at school. What percent is this? A. 75% B. 0.75% C. 100% D. 25% Hint 6. Solve y = -6 – 2. A. -8 B. -4 C. 8 D. 4 Hint 7. Solve 16 = 4a + 8. A. 2 B. C. 4 D. 6 Hint 8. Evaluate x2 + 2xy + y2 if = 4 and y = 7. A. 78 B. 86 C. 65 D. 121 Hint 9. Write 0.6734343434… in bar notation. A. B. C. D. Hint 10. Which of the following numbers is prime? A. 75 B. 43 C. 63 D. 57 Hint 11. Express 16 per 100 as a percent. A. 16% B. 32% C. 8% D. 0.16% Hint 12. Find the least common denominator for and . A. 30 B. 135 C. 90 D. 45 Hint 13. Solve (-4)2 = b. A. 8 B. -16 C. 16 D. 4 Hint 14. Express 0.47 as a percent. A. 47% B. 4.7% C. 470% D. 0.47% Hint 15. Express 64 in exponential form as a power of 4. A. 44 B. 45 C. 43 D. 26 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. 10,100,000; 101,000,000; 1.01 × 106; 1.0 × 107 C. 1.01 × 106; 1.0 × 107; 10,100,000; 101,000,000 D. 10,100,000; 1.01 × 106; 101,000,000; 1.0 × 107 Hint 17. The scatter plot shows the number of students per computer in U.S. public schools. Predict the number of students per computer in 2006. A. 5 B. 8 C. 0 D. 2 Hint 18. The record high and low temperatures recorded in New York are 108°F and -52°F, respectively. What is the range of temperatures? A. -56°F B. 160°F C. -160°F D. 56°F Hint 19. Which sentence is not true? A. B. 0.3 < 34% C. > 42% D. > 0.85 Hint 20. Find the slope of the line that passes through each pair of points. A. - B. C. D. - Hint