1. Evaluate -5xy if x = -1 and y = 7. A. -35 B. 35 C. 1 D. 0 Hint 2. Evaluate if z = 6 and b = 3. A. -39 B. C. -14 D. 14 Hint 3. Choose the solution of 3x + 7 = 10 if the replacement set is {-1, 0, 1, 2}. A. -1 B. 1 C. 0 D. 2 Hint 4. When you multiply 5 · (-1.4), you can think of that as ______. A. (-1.4) · (-1.4) · (-1.4) · (-1.4) · (-1.4) B. (-1.4) + (-1.4) + (-1.4) + (-1.4) + (-1.4) C. (-1.4) - (-1.4) - (-1.4) - (-1.4) - (-1.4) D. 5 · (-1.4) · 2 Hint 5. If a toy car measures 1 inch for every one-half foot of an actual car, what is the scale in inches? A. 1:10 B. 1:1 C. 1:6 D. 1:12 Hint 6. On a map, 1 inch represents 75 miles. If the distance on the map between two towns is 2 inches, what is the actual distance between the two towns? A. 37.5 miles B. 50 miles C. 75 miles D. 150 miles Hint 7. If the range of the equation y = -x + 4 is {-4, -2, 4, 7}, what is the domain? A. {7, 5, -1, -4} B. {8, 6, 0, -3} C. {-8, -6, 0, 3} D. {9, 7, 1, -2} Hint 8. A linear function that can be written in the form y = kx, where k0, is called a(n)_______. A. direct variation B. equivalent variation C. functional variation D. variable variation Hint 9. Write the point–slope form of an equation for the line passing through (2, –5) with slope A. B. C. D. Hint 10. Write 3x3y5 as a multiplication expression. A. 2(3x3y5) B. 3 · x · x · x · y · y · y · y · y C. 3 · 3 · x · 5 · y D. (xy2)3 Hint 11. Simplify . A. -2c2 B. -2a4b4c2 C. -2a4c2 D. Hint 12. Find the difference (4 - 7a2) - (-a + 2a2 - 1). A. -5a2 + a + 5 B. -9a2 + a + 5 C. -5a2 - a + 3 D. -9a2 + a + 3 Hint 13. Find the product (6 + 3b)(6 – 3b). A. 36 + 36b - 9b2 B. 36 + 36b + 9b2 C. 36 + 9b2 D. 36 - 9b2 Hint 14. Find the GCF of 30, 45, and 75. A. 15 B. 6 C. 5 D. 10 Hint 15. Which table of values is correct for the function y = –x2 + 3? A. B. C. D. Hint 16. Write an equation of the parabola that is the graph of y = x2 – 4 moved up 3 units. A. y = x2 + 7 B. y = x2 – 7 C. y = (x – 1)2 + 3 D. y = x2 – 1 Hint 17. Which graph shows a parabola with exactly one root? A. B. C. D. A parabola cannot have exactly one root. Hint 18. On the graph below, which letter correctly identifies the point with coordinates (-2, -2)? A. I B. S C. L D. M Hint 19. Choose the circle graph that best represents the data. A. B. C. D. Hint 20. The rule for multiplying by powers of 10 states that if the exponent of the 10 is negative, then you move the decimal point __________. A. to the right by the same number of spaces as the number in the exponent B. to the left by the same number of spaces as the number in the exponent C. to the right by the number of spaces as the number in the exponent plus 1 D. to the right by the number of spaces as the number in the exponent minus 1 Hint