1. Write an equation for the following sentence. Two-thirds of a number is 24. A. B. C. D. Hint 2. Find two consecutive integers whose sum is -13. A. -5, -8 B. -6, -7 C. -5.5, -7.5 D. -12, -1 Hint 3. Solve the equation 3x + y = 6 for x. A. B. x = 6 - 3x C. x = 5y D. x = 2 - y Hint 4. Write an algebraic expression for b to the second divided by c to the fourth. A. B. C. b2 + c4 D. b2c4 Hint 5. Write an algebraic expression for the verbal expression: three times the sum of x and y increased by five times the product of x and 3y. A. 3(x + y) + 5(x + 3y) B. 3(xy) + 5(x + 3y) C. 3x + y + 5x(3y) D. 3(x + y) + 5(3xy) Hint 6. Which pair of ratios forms a proportion? A. B. C. D. Hint 7. State the domain of the relation whose graph is shown. A. {-1, 4, 1, 2} B. {0} C. {-2, -1, 0, 2} D. {-2, -1, 2} Hint 8. The sum of three times a number and 12 is at least -3 and at most 15. Find the solution set for this number. A. {x | x < -5 or x > 1} B. {x | -5 < x < 1} C. {x | -5 < x < 1} D. {x | -5 < x < 1} Hint 9. What is the interquartile range of Exam A? A. 35 B. 11 C. 5 D. 16 Hint 10. The sum of two numbers is –11. Twice the first number minus four times the second number is –10. What are the two numbers? A. -8, -3 B. -6, -5 C. -15, 4 D. -9, -2 Hint 11. Factor 2x2 + 4x – 3. A. (2x – 3)(x + 1) B. (2x – 1)(x + 3) C. (2x + 3)(x – 1) D. prime Hint 12. State the excluded values of x in the expression . A. B. or 3 C. , 3, or 4 D. or - 3 Hint 13. Evaluate 56. A. 15,625 B. 7,776 C. 3,125 D. 78,125 Hint 14. Solve –6x – 12 > -18. A. x > 5 B. x < 1 C. x < 5 D. x > 1 Hint 15. Use elimination to solve the system of equations given by 7x + 23y = 12 and 3x + 23y = -8. A. no solution B. C. infinitely many solutions D. (5, -1) Hint 16. The length of one side of a square is x + 4. What is the area? A. x2 + 8x + 8 B. x2 + 4x + 16 C. 2x + 8 D. x2 + 8x + 16 Hint 17. Suppose inflation of money is at a rate of 3% per year in the United States. How much will a \$1 candy bar cost in 30 years? A. \$0.40 B. \$1.90 C. \$2.43 D. \$4.32 Hint 18. Which of the following is not a condition of a radical expression in simplest form? A. No radicands contain fractions. B. No radicands have perfect square factors other than 1. C. No radicals appear in the denominator of a fraction. D. No radicals appear in the numerator of a fraction. Hint 19. In the figure, what is the value of x? A. 13.9 B. 10.23 C. 9.75 D. 11.9 Hint 20. Which of the following pairs of coordinates are on a line with an undefined slope? A. (3, -2), (3, 5) B. (2, 1), (5, -2) C. (-4, -3), (3, -3) D. (-2, -2), (4, 4) Hint