1. Which list of numbers best identifies the whole numbers? A. 1, 3, 5, 7, and so on B. 2, 4, 6, 8, and so on C. 1, 2, 3, 4, and so on D. 0, 1, 2, 3, and so on Hint 2. The graph below can best be described as a _____. A. histogram B. stem-and-leaf plot C. line graph D. box graph Hint 3. In which quadrant does the point (-2, 1) lie? A. III B. I C. II D. IV Hint 4. Find the difference 15 - 26. A. -41 B. 41 C. -11 D. 11 Hint 5. The quotient of two integers with the same sign is _____. A. negative B. equal to 0 C. positive D. equal to 1 Hint 6. For any rational number and with b > 0 and d > 0, if then _____. A. ad > bc B. ad < bc C. ad + bc = 1 D. ad = bc Hint 7. The sum of two negative rational numbers is _______. A. negative B. zero C. positive D. one Hint 8. Ten video stores were surveyed to find the cost of renting a new release video. The costs were \$1.99, \$2.99, \$1.75, \$1.99, \$2.50, \$1.50, \$0.99, \$1.99, \$2.99, and \$3.49. What is the mode of this set of data? A. \$1.99 B. \$2.22 C. \$0.99 D. \$1.99 and \$2.99 Hint 9. The graphs of the two equations y = 2x + 5 and are _______. A. neither parallel nor perpendicular B. the same line C. perpendicular D. parallel Hint 10. Arrange the terms of the polynomial -2x + 3x3 - 5 + 6x2 so that the powers of x are in descending order. A. -2x + 3x3 + 6x2 - 5 B. 3x3 + 6x2 - 2x - 5 C. 5 - 2x + 6x2 + 3x3 D. -5 - 2x + 6x2 + 3x3 Hint 11. Which is the correct definition for a number expressed in scientific notation? A. A number is expressed in scientific notation when it is in the form a × 10n, where and n is a whole number. B. A number is expressed in scientific notation when it is in the form a × 10n, where and n is an integer. C. A number is expressed in scientific notation when it is in the form a × 10n, where and n is a whole number. D. A number is expressed in scientific notation when it is in the form a × 10n, where and n is an integer. Hint 12. The speed of light is about 3 × 108 meters per second. How far would a beam of light travel in 5 seconds? Express the answer in scientific notation. A. 1.5 × 106 m B. 1.5 × 105 m C. 1.5 × 1010 m D. 1.5 × 109 m Hint 13. Factor the binomial x2 + 81. A. (x – 18)(x + 5) B. (x + 9)2 C. prime D. (x – 9)(x + 9) Hint 14. Name the property of numbers shown by the statement:23 · 0 = 0 · 23 = 0. A. Substitution Property B. Additive Identity C. Multiplicative Identity D. Multiplicative Property of Zero Hint 15. Evaluate jkl if j = 2, k = -3, and l = -4. A. 24 B. -24 C. 9 D. -9 Hint 16. Marilyn and Rafael spent the same amount of money on school supplies this year. Marilyn bought 4 notebooks and spent \$3 on other school supplies. Rafael bought 5 of the same notebooks and spent \$1.75 on other school supplies. How much does one notebook cost? A. \$0.14 B. \$1.25 C. \$42.75 D. \$0.53 Hint 17. Express as a percent. Round to the nearest percent. A. 44% B. 55% C. 60% D. 37% Hint 18. Alana wants to buy the new CD by the Raspberries. The CD costs \$15.99, but since she was one of the first 50 customers that day, she gets a 20% discount. How much will the CD cost? A. \$19.19 B. \$3.20 C. \$12.79 D. \$31.98 Hint 19. The relation is ___________. A. not a function because it does not pass the vertical line test B. not a function because it does not pass the horizontal line test C. a function because it passes the vertical line test D. a function because it passes the horizontal line test Hint 20. State whether the expression 5jk + 4j is a monomial, binomial, trinomial or not a polynomial. A. binomial B. monomial C. not a polynomial D. trinomial Hint