1. What is the multiplicative inverse of A. 4 B. C. D. Hint 2. Simplify 6a + 15a. A. 21a B. 6a + 15a C. 21a2 D. 42a Hint 3. Simplify 3 + 2(xy+ 3z) + 4xy. A. 6xy + 3z + 3 B. 9xy + 15z C. 6xy + 6z + 3 D. 5xy + 3z + 3 Hint 4. Based on the line plot, what is the lowest score? A. 21 B. 100 C. 71 D. 75 Hint 5. Find the sum A. B. C. D. Hint 6. Evaluate when x = 15 and y = 15. A. -15 B. -225 C. 225 D. 15 Hint 7. Solve the equation p=2q + 2w for q. A. B. q = p - 2w - q C. q = p - w D. Hint 8. A scale drawing of a room has a scale of 1.75 inches = 1.5 feet. How long is a couch that is 7 inches in the scale drawing? A. 5 ft B. 7 ft C. 8 ft D. 6 ft Hint 9. You leave your house traveling 60 mph. After you have driven 25 miles, your mother leaves the house traveling in the same direction. What speed must your mother travel to catch up to you 5 hours after she leaves? A. 65 mph B. 60 mph C. not possible D. 55 mph Hint 10. Express the relation in the table as a set of ordered pairs. A. {(-1, 5), (0, 2), (1, 6)} B. {(-1, 5), (0, 2), (1, 6), (2, 6)} C. {(-1, 5), (0, 2), (1, 2, 6)} D. {(5, 1), (2, 0), (6, 1), (6, 2)} Hint 11. Rewrite 6x + 5y = 7 - 2x in the form Ax + By = C. A. 4x + 5y = 7 B. 8x + 5y = 7 C. -8x + 5y = 7 D. 13y = 7 Hint 12. Evaluate 4(6) + 7(5 – 3). A. 80 B. 10 C. 118 D. 38 Hint 13. Name the property used in the equation x + 0 = 22. Then solve for x. A. Multiplicative Property of Zero; x = 22 B. Multiplicative Inverse; x = C. Additive Identity; x = 22 D. Multiplicative Identity; x = 1 Hint 14. Use the Distributive Property to simplify 7(6x2 + 5x + 4). A. 42x2 + 35x + 4 B. 42x2 +35x + 21 C. 42x2 + 35x + 28 D. 42x2 + 5x + 4 Hint 15. Evaluate 0.75 + 2.2 + 0.25 + 0.8. A. 3 B. 6 C. 5 D. 4 Hint 16. Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of 2 or 3 family members? A. 25 B. 5 C. 20 D. 45 Hint 17. Simplify A. -7 – 2n B. 7 – 12n C. -7 – 12n D. 7 – 2n Hint 18. Graph x 5. A. B. C. D. Hint 19. Solve 5t + u + v = 3 for t. A. t = -2 – u – v B. C. D. t = 15 – u – v Hint 20. Select the linear equation. A. 5x2 + 2y2 = 1 B. 3xy – 2y = 7 C. y = -5x + 1 D. = -2 Hint