1.   Find the difference |-25| - (-32).
    A. -57 B. -7
    C. 7 D. 57
    Hint

  2.   Solve 2x = -10.
    A. x = 5 B. x = 8
    C. x = -5 D. x = -12
    Hint

  3.   Find the mean of {3, 8, 10, 1, 25}.
    A. 8 B. 9.4
    C. 1 D. 9
    Hint

  4.   Write an algebraic expression for one-half of a number x subtracted from fifty.
    A. 2x - 50 B. 50 - 2x
    C. D.
    Hint

  5.   What is the next term in the sequence 1, 3, 9, 27, 81, ...?
    A. 27 B. 108
    C. 82 D. 243
    Hint

  6.   and are similar. Find x if z = 3, a = 6,
and c = 4.5.
   
    A. 4 B. 2.25
    C. 7.5 D. 9
    Hint

  7.   State the range of the relation {(1, 6), (-2, 3), (5, 7), (5, 9)}.
    A. {3, 6, 9} B. {1, -2, 5}
    C. {3, 6, 7} D. {3, 6, 7, 9}
    Hint

  8.   Evaluate .
    A. 2 B. 1
    C. 3 D. 4
    Hint

  9.   Rico took a survey to find out the number of family members in each of his classmates' households. The results of the survey are shown in the graph. How many students responded with an answer of less than 6 family members?
   
    A. 80 B. 90
    C. 85 D. 5
    Hint

  10.   Find
    A. B.
    C. D.
    Hint

  11.   Find
    A. 81 B. 9
    C. -9 D. -81
    Hint

  12.   Select the linear equation.
    A. 5x2 + 2y2 = 1 B. y = -5x + 1
    C. = -2 D. 3xy 2y = 7
    Hint

  13.   Which relationship would most likely have no correlation?
    A. A person's height and the person's shoe size.
    B. The number of pizzas ordered, and the total price of the bill.
    C. A person's age, and the address of the person.
    D. The number of miles driven, and the number of gallons of gas in the car.
    Hint

  14.   Solve
    A. B.
    C. D.
    Hint

  15.   Anthony and Sanford each throw a football. The height of Anthony's throw can represented by the equation A = 10x2 + 15x + 22, where A is height and x is the time in seconds. The height of Sanford's throw can represented by the equation S = 9x2 + 14x + 23. At time x, how much higher is Sanford's throw?
    A. x2 + x + 1 B. x2 x + 1
    C. x2 x 1 D. x2 + x 1
    Hint

  16.   Find the area of a triangle with base 2x + 3 and height 3x 1.
    A. x2 + x 3 B. 5x2 + 7x 3
    C. 3x2 + x D. 6x2 + 7x 3
    Hint

  17.   The sum of two numbers is 12, and the product of the numbers is 36. What are the numbers?
    A. 7 and 5 B. 6 and 9
    C. 9 and 4 D. 6 and 6
    Hint

  18.   A formula in which the nth term of a sequence is expressed in terms of the previous term, as in is called what?
    A. exponential B. recursive
    C. dependent D. geometric
    Hint

  19.   Suppose the formula represents the relationship between a plane's length L and the pounds P its wings can lift, where k is a constant of proportionality calculated for a plane. If its wings are 150 feet and k = 0.1669, what range of values are possible for weight?
    A. greater than 3755 pounds B. greater than 134,811 pounds
    C. less than 134,811 pounds D. less than 3755 pounds
    Hint

  20.   What is the constant of variation if y varies inversely as x, and x = 4.3 when y = 2.15?
    A. B. 2
    C. 9.245 D. 0.108
    Hint



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