1. Determine the slope of the line graphed below. A. 0 B. C. D. Hint 2. Write the inequality that is graphed on the number line below. A. B. C. D. Hint 3. Students from the local high school are selling tickets to the town's annual carnival. Adult admission is \$5.00 and child admission is \$2.50. Two hours after the carnival opened its first day, 440 tickets had been sold totaling \$1900. How many adults and how many children entered the carnival during the first two hours it was open? A. 220 adults, 220 children B. 293 adults, 147 children C. 320 adults, 120 children D. 380 adults, 760 children Hint 4. Simplify (3a4b5c)4. A. 3a16b20c4 B. 7a16b20c4 C. 81a16b20c4 D. 12a8b9c5 Hint 5. Evaluate (3.2 × 10-5)(5.4 × 109). Express the result in scientific notation. A. 1.728 × 103 B. 1.728 × 105 C. 17.28 × 104 D. 0.1728 × 106 Hint 6. What is the slope of the line through the points A(-3, 4) and B(2, -1)? A. 1 B. C. -1 D. -3 Hint 7. Simplify . A. B. C. D. Hint 8. Find the equation that contains a decreasing linear relationship. A. y = 10 + x B. y = 4x – 3 C. y = 12+ 2x D. y = 5 – 6x Hint 9. Find the situation that is linear but does not have direct variation. A. At the beginning of the summer, Dina had \$0 in the bank. She earned \$50 mowing lawns the previous week and deposited the money in the bank. B. At the beginning of the summer, Dina had \$200 in the bank. She withdrew \$30 to buy a new pair of shorts. C. At the beginning of the summer, Dina had \$200 in the bank. She started a job and deposited \$10 per week. D. At the beginning of the summer, Dina had \$0 in the bank. She started a job and deposited \$10 per week. Hint 10. Which line is parallel to the line listed below? A. y = 2x - 5 B. C. D. Hint 11. What is the lowest point on the graph of y = x2 + 2? A. (0, 2) B. (2, 0) C. (0, 0) D. (0, –2) Hint 12. How many diagonals are connected to each vertex for a 25-sided polygon? A. 22 B. 25 C. 20 D. 21 Hint 13. Find the equation of the graph below. A. y = x2 – 3 B. y = (x - 3)2 C. y = (x + 3)2 D. y = x2 + 3 Hint 14. How does a affect graphs of equations in the form of ? A. a affects the length of the graph B. positive values of a move the graph to the left, negative values move it to the right C. a affects the width of the graph D. negative values of a move the graph to the left, positive values move it to the right Hint 15. How does b affect graphs of equations in the form of ? A. b affects the width of the graph B. positive values of b move the graph to the left, negative values move it to the right C. negative values of b move the graph to the left, positive values move it to the right D. b affects the length of the graph Hint 16. What is true of the second differences for the equation x2 – 6x + 12? A. they decrease by 1 B. they increase by 12 C. they are constant D. they increase by 1 Hint 17. Which equation represents exponential growth? A. y = 250 × 4x B. y = 250 · x C. y = 250 × 0.25x D. y = 250 × 0.4c Hint 18. Find the table that does not represent an exponential equation. A. B. C. D. Hint 19. Julian said, ''I'm thinking of a number. When I add 3 to my number, multiply the sum by 12, divide the product by 8, and subtract the result by 7, I get 11. What is the number I'm thinking of?'' A. 9 B. 7 C. 8 D. 10 Hint 20. The sum of three consecutive even numbers is 54. Find the three numbers. A. 15, 16, 17 B. 16, 18, 20 C. 16, 17, 18 D. 18, 19, 20 Hint