1. The 1996 populations of the five largest cities in Maryland were 675,401, 46,227, 46,019, 45,361, and 40,181. What is the median population of the five cities? A. 357,791 B. 46,019 C. 170,637.8 D. 45,794 Hint 2. An equation that is true for every value of the variable is called a(n) ______. A. equivalency B. identity C. representation D. empty set Hint 3. Suppose you need to solve the equation 3 = 2(5x + 1). What is a logical first step in solving this equation? A. Use the Distributive Property. B. Use the Addition Property of Equality. C. Use the Substitution Property of Equality. D. Use the Subtraction Property of Equality. Hint 4. On a particular January day in Fargo, North Dakota, the probability of snow for Monday is 50% and for Tuesday is 70%. Find the probability that it will snow on either Monday or Tuesday in Fargo. A. 85% B. 100% C. 50% D. 60% Hint 5. Select the correct graph for the relation y = -2x if the domain is {-2, -1, 0, 1, 2}. A. B. C. D. Hint 6. If the graph of a line crosses the x–axis, that point of intersection is called the________. A. slope of the line B. origin C. y–intercept D. x–intercept Hint 7. Simplify the expression A. -4a4b2c B. -4a4b2 C. -4a3b3c D. -4a3b3 Hint 8. Rewriting the expression (2x + 5x) + (4 – 1) as (2 + 5)x + (4 – 1) shows the use of the _______. A. Distributive Property B. Addition Property of Equality C. Associative Property of Addition D. Commutative Property of Multiplication Hint 9. Find the sum (–5x + 6) + (–2x – 7). A. 7x + 13 B. –7x + 13 C. –7x + 1 D. –7x – 1 Hint 10. The square root of 135 is between _____. A. 12 and 13 B. 11 and 12 C. 10 and 11 D. 13 and 14 Hint 11. Write a sentence for 29m – 3n = 4 ÷ m A. Four divided by a number equals twenty-nine times the number minus three times the number. B. Twenty-nine times a number minus three times another number equals four divided by the first number. C. Twenty-nine times a number minus three times that number equals four times the number. D. Four divided by twenty-nine times a number equals three times another number minus the first number. Hint 12. Use the distributive property to rewrite the expression 8x + 4. A. 8(x + 32) B. 4(2x + 1) C. 8(x + 1) D. 4(2x + 4) Hint 13. Solve -19 + |t| = 12 A. no solution B. -31 or 31 C. -7 D. 31 Hint 14. Which is true of the equation y = cx where c is a constant? A. The graph will be increasing. B. The graph will be decreasing. C. The graph will always cross the x-axis at exactly one point. D. The graph passes through the origin. Hint 15. Write an equation in slope–intercept form of the line with slope -5 that passes through the point at (2, 3). A. y = 16x – 5 B. y = -5x + 13 C. y = -5x –7 D. y = 4x – 5 Hint 16. At the local video store, membership costs \$5.00, and the cost of each video after the membership fee is \$1.50. Which graph represents this situation? A. B. C. D. Hint 17. The graphs below are a family of graphs because __________. A. they have different slopes B. they have the same slope C. they have the same y-intercept D. they have the same x-intercept Hint 18. The graphs below are a family of graphs because __________. A. they have the same y-intercept B. they have the same x-intercept C. they have different slopes D. they have the same slope Hint 19. The graph of the equation y = -x is not the parent graph of _______. A. y = 3 – x B. y = -x – 4 C. y = -2x + 4 D. y = -2x Hint 20. Express 5 gigabytes in scientific notation. A. 5 × 106 bytes B. 5 × 109 bytes C. 5 × 10-6 bytes D. 5 × 10-9 bytes Hint