1. What is the multiplicative inverse of A. B. 4 C. D. Hint 2. Solve A. n = 9 B. n = C. n = 2 D. n = Hint 3. Solve the proportion A. 13 B. 0.02 C. 24 D. 52.5 Hint 4. 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. 6 ft C. 7 ft D. 8 ft Hint 5. A tree that is 5 feet tall casts a shadow 2 feet long. A nearby building casts a shadow that is 20 feet long. How tall is the building? A. 20 ft B. 50 ft C. 10 ft D. 0.5 ft Hint 6. In order to save for a new computer and printer, Joseph has a summer job working at the marina where he earns \$8.50 per hour. His weekly earnings are listed in the table below. The computer he wants costs \$1575, and the printer costs \$225. Joseph has to earn at least how much more money, m, in order to be able to afford the computer and printer? A. B. C. D. Hint 7. Use the graph below to determine if the given system of equations has one solution, no solution, or infinitely many solutions. If the system has one solution, name it. A. infinitely many solutions B. one solution at (-6, 0) C. no solution D. one solution at . Hint 8. Simplify Assume the denominator is not equal to zero. A. B. C. D. Hint 9. Find the GCF of 54a2, 84ab, and 10c A. 2abc B. 2 C. 4 D. 8ab Hint 10. Factor x2 – 16. A. (x – 4)(x – 4) B. (x + 2)(x – 8) C. (x + 4)(x + 4) D. (x + 4)(x – 4) Hint 11. Find the equation of the axis of symmetry of the graph of y = 2x2 - 8x + 5. A. x = 2 B. x = -4 C. x = 4 D. x = -2 Hint 12. Evaluate a2 - (b + c) if a = 8, b = 17, and c = 21. A. 12 B. 26 C. 34 D. 18 Hint 13. Solve = x. A. x = 10 B. x = 0 C. x = 25 D. x = 5 Hint 14. Which values are a counterexample to the given statement? If x · y = a decimal, then neither x nor y is a whole number. A. x = 1, y = 0.5 B. x = 1.75, y = 0.9 C. x = 0.3, y = 0.2 D. x = 7.1, y = 2.2 Hint 15. Solve A. B. C. D. Hint 16. Find the solution set for y = x – 3, given the replacement set {(-8, -7), (-5, -5), (0, 3), (4, 5)} A. {(-5, -5)} B. {(-8, -7)} C. {(-8, -7), (0, 3)} D. {(-5, -5), (4, 5)} Hint 17. Solve –4(10 – n) – 6n > 8(n + 3) – 7n + 2. A. n > -6 B. n < -6 C. n < -22 D. n > -22 Hint 18. How many real roots exist if the discriminant of the equation = 0? A. cannot be determined from given information B. 1 C. 2 D. 0 Hint 19. Ricky invested \$1000 in an account at 8% interest compounded quarterly. How much money will he have earned on the account after 7 years? A. \$741.02 B. \$1,741.02 C. \$1,713.82 D. \$713.82 Hint 20. Determine the third side measure that will form a right triangle if two of the sides are 9 and 41. A. 40 B. 27 C. does not exist D. 42 Hint