1. Write in standard form where A, B, and C are integers whose greatest common factor is 1. A. 3x - 8y = 16 B. C. 3x - 8y = 2 D. 3x + 8y = 16 Hint 2. If g(x) = |x + 3|, find g(-7). A. -4 B. 10 C. -7 D. 4 Hint 3. Solve the system of equations by graphing. A. (-6, 2) B. (6, 2) C. (2, 6) D. (2, -6) Hint 4. A feasible region has vertices at (4, 6), (-2, 3), (2, -2), and (3, 1). At which point is the maximum value of the function f(x, y) = 2x + y? A. f(3, 1) B. f(4, 6) C. f(-2, 3) D. f(2, -2) Hint 5. Find the coordinates of the vertex of the parabola with equation x = (y - 2)2 - 3. A. (-2, 3) B. (-3, 2) C. (-3, -2) D. (2, -3) Hint 6. If y varies directly as x and y = 6 when x = 2, find y when x = 5. A. 15 B. 6 C. 2.4 D. Hint 7. Find A. x - 2 B. C. x2 - 5x + 6 D. Hint 8. Evaluate log7 49. A. 49 B. 7 C. 1 D. 2 Hint 9. If and , find the approximate value of log2 15. A. 3.6802 B. 1.4649 C. 3.9069 D. 0.7369 Hint 10. Solve 4x = 22 to three decimal places. A. 3.414 B. 3.961 C. 5.500 D. 2.230 Hint 11. What is Sn if a1 = 27.5, d = 1.5, and n = 35? A. 98,175 B. 1245 C. 2152.5 D. 1855 Hint 12. Find the domain of the relation shown in the graph. A. {0, 1, 2, 3} B. {-2, -1, 1, 2, 3, 5} C. {-3, -2, -1, 0, 1, 2, 3, 5} D. {-3, -2, -1, 0, 1, 3} Hint 13. Is the relation shown in the graph a function? Why or why not? A. No, the relation contains the ordered pairs (0, -1) and (3, -1). B. Yes, the ordered pairs (-3, 2), (-1, 1), and (3, -1) form a straight line. C. Yes, the relation contains very few ordered pairs. D. No, the relation contains the ordered pairs (3, -1) and (3, 2). Hint 14. At a firm, there are three workers that are supposed to work a combined 110 hours per week. Worker 1 is supposed to work 5 hours more than worker 2, and worker 2 is supposed to work 15 hours more than worker 3. How long should each one work? A. worker 1: 45worker 2: 35worker 3: 30 B. worker 1: 40worker 2: 45worker 3: 25 C. worker 1: 42.5worker 2: 37.5worker 3: 30 D. worker 1: 45worker 2: 40worker 3: 25 Hint 15. If and find 3A + 2B. A. B. C. D. Hint 16. What translation matrix should be used to translate a figure with five vertices up 3 units and right 2 units? A. B. C. D. Hint 17. Factor 4x2 – 5x – 6. A. B. (4x + 3)(x – 2) C. D. Hint 18. What are the vertices and foci of a hyperbola with equation ? A. 7; 65 B. C. D. Hint 19. Find the eighth term of a geometric sequence for which a3 = 98 and r = 7. A. 823,543 B. 1,647,086 C. 5,764,801 D. 11,529,602 Hint 20. Expand (4x + 2y)4. A. B. C. D. Hint