1. What is the difference 6 - (-6)? A. -6 B. 6 C. 0 D. 12 Hint 2. Find the sum -6.25 + (-1.3). A. -4.95 B. 4.95 C. -7.55 D. 7.55 Hint 3. Which equation below is not an example of the Addition Property of Equality? A. If a = b, then a + 2 = b + 2. B. If j = 4 + 3, then j + 6 = 4 + 3 + 6 C. If d = 10, then d + 9 = 10 + 8. D. If z = 5, then z + 1 = 5 + 1. Hint 4. 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. 10.2 B. 8.8 C. 7.8 D. 11.2 Hint 5. Solve the equation 4(3a - 1) = -28. A. B. C. 2 D. -2 Hint 6. On a map, the scale is 1 inch = 0.75 miles. If the distance between two landmarks on the map is 0.5 inches, what is the actual distance in miles? A. 1.5 miles B. 1.25 miles C. 3 miles D. 0.375 miles Hint 7. Write 7 -2 using positive exponents. A. B. C. D. Hint 8. Find the product -c(c3 - 3c2 + c). A. -c4 + 3c3 B. -c3 + 3c2 - c C. -c4 - 3c3 + c2 D. -c4 + 3c3 - c2 Hint 9. Solve the equation x(x – 9) – 10 = x(x + 2) + 12. A. -2 B. -22 C. -7 D. 2 Hint 10. Simplify the expression . A. 19 B. 17 C. 61 D. 21 Hint 11. To determine the speed of a vehicle involved in an accident, police officers use the formula . In the formula, s is the speed in miles per hour, d is the length of the skid marks in feet, and f is the friction factor. Suppose for a particular accident d = 45 feet and f = 0.8. What was the approximate speed of the vehicle? A. 14 miles per hour B. 33 miles per hour C. 84 miles per hour D. 198 miles per hour Hint 12. The Quadratic Formula is developed by __________ a general form of a quadratic equation. A. graphing B. finding the vertex of C. factoring D. completing the square for Hint 13. How many solutions does the system y = –x2 and y = 3x – 5 have? A. none B. 3 C. 1 D. 2 Hint 14. Refer to the histogram showing the number of people from each age group in Takala's Yoga class. How many people in the class are from age 20-39? A. 15 people B. 16 people C. 20 people D. 23 people Hint 15. To add integers with different signs, find the difference of their absolute values. Give the result the same sign as ________. A. the last integer B. the integer with the greatest absolute value C. the first integer D. the integer with the least absolute value Hint 16. Which sentence is not a true sentence? A. -15(8) < -16(-2) B. > C. 12(-4) > -13(4) D. > Hint 17. Choose the solution of 6x + 1 = 7 if the replacement set is {-1, 0, 1, 2}. A. 0 B. -1 C. 1 D. 2 Hint 18. Solve the equation - 4 = 8. A. g = -72 B. g = -24 C. g = - D. g = -2 Hint 19. Write 4-8 using positive exponents. A. 84 B. 48 C. D. Hint 20. Which graph represents the solution of |3x| 6? A. B. C. D. Hint