1. When two fractions are compared, the cross products are the products of _____. A. the consecutive terms B. the numerators C. the denominators D. the diagonal terms Hint 2. Which sentence is NOT a true sentence? A. B. C. D. Hint 3. Evaluate d - c if d = 1.7 and c = -3.8. A. -5.5 B. -2.1 C. 2.1 D. 5.5 Hint 4. Which equation does the model represent? A. x + (-5) = -1 B. x + 5 = 1 C. x + (-5) = 1 D. x + 5 = -1 Hint 5. Solve the equation -2.25 = b + 7.75. A. 10 B. -10 C. -5.5 D. 5.5 Hint 6. In 1960, Chile experienced the largest earthquake of the century. The magnitude was 9.5 on the Richter scale. In 1952, Ecuador had the fourth largest earthquake. The magnitude was 0.7 less than the earthquake in Chile. What was the magnitude of the earthquake in Ecuador? A. 7.8 B. 8.8 C. 10.2 D. 11.2 Hint 7. Find 4.5 + (-2.9) + 3.2. A. -4.8 B. 10.6 C. -10.6 D. 4.8 Hint 8. The following shows the number of people that ate at a fast food restaurant each hour. What is the mode of the data? A. 30 customers B. 40 customers C. 20 customers D. 50 customers Hint 9. Refer to the data. What is the range of the temperatures? A. 23°F B. 28°F C. 15°F D. 25°F Hint 10. Choose the solution of + x = 4 if the replacement set is {2, 4, 6, 8}. A. 6 B. 4 C. 8 D. 2 Hint 11. Solve the equation A. 10 B. -3 C. 5 D. 19 Hint 12. Which equation does the model represent? A. x + 4 = -7 B. x + (-7) = 4 C. x + 7 = -4 D. x + (-4) = 7 Hint 13. Solve |r| + 9 = 14. A. 23 B. -5 or 5 C. 5 D. -23 or 23 Hint 14. Solve -19 + |t| = 12 A. no solution B. -7 C. -31 or 31 D. 31 Hint