1.   To what set of numbers does belong?
    A. whole numbers B. integers
    C. rationals D. irrationals
    Hint

  2.   You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam for a mean of 80?
    A. 93 B. 80
    C. 97 D. 100
    Hint

  3.   What is the probability that you roll an odd number on a six-sided number cube?
    A. B. 3:1
    C. 1:1 D.
    Hint

  4.   If y varies directly as x and y = 21 when x = 5, find x when y = 42.
    A. 4.2 B. 21
    C. 5 D. 10
    Hint

  5.   Determine the value of r so that the line through (r, 4) and (-7, 7) has a slope of .
   
    A. -3 B. 9
    C. 3 D. -11
    Hint

  6.   Solve |8x + 2| < 42.
    A. {x | x < 5}
    B.
    C.
    D.
    Hint

  7.   Find (2y2 + 7y 5)(3y2 5y + 4).
    A. 6y4 + 4y2 32y2 20
    B. 6y4 35y2 20
    C. 6y4 + 11y3 42y2 + 53y 20
    D. 5y2 + 2y 1
    Hint

  8.   Factor 6a3b5 15a2b.
    A. 3(2a3b5 - 5a2b) B. 3a3b(2ab2 - 5)
    C. ab(6a2b4 - 15a) D. 3a2b(2ab4 - 5)
    Hint

  9.   Simplify .
    A. B.
    C. D.
    Hint

  10.   Identify the coordinates of point C.
   
    A. (5, 2) B. (2, 1)
    C. (4, 6) D. (6, 4)
    Hint

  11.   Translate the sentence into an equation. Four times the number n is equal to twice the sum of q and r.
    A. 4n = 2(q r) B. 4n = 2q + r
    C. 4n = 2(q + r) D. 4n = q + r
    Hint

  12.   Solve
    A. B. a = 90
    C. a = -90 D.
    Hint

  13.   Find f(x 7) if f(x) = -4x 10.
    A. -4x + 18 B. 4x 38
    C. 4x + 3 D. -4x 17
    Hint

  14.   Write the point-slope form of an equation for a horizontal line that passes through (-15, 11).
    A. y + 15 = 0 B. y + 11 = 0
    C. y 11 = 0 D. y 15 = 0
    Hint

  15.   Write in slope-intercept form.
    A. 2x - 9y = -55 B.
    C. D.
    Hint

  16.   Solve 22p > 198.
    A. p > 4,356 B. p < 4,356
    C. p > 9 D. p < 9
    Hint

  17.   Use a graph in order to approximate .
    A. 133.4 B. 112.6
    C. 0.0089 D. 0.0045
    Hint

  18.   A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 30(0.92)d, where y is the number of phone calls after d days. How many phone calls should she expect after a week?
    A. 23 B. 2
    C. 28 D. 17
    Hint

  19.   A guest on a talk show tends to receive many phone calls right after she is on the show, and then the calls become less frequent. This can be represented by the equation y = 20(0.53)d, where y is the number of phone calls after d days. On what day should she expect to have 3 calls?
    A. 15 B. 2
    C. 10 D. 3
    Hint

  20.   If Dale Jarrett drives his car 1760 feet on the racetrack in 6 seconds, about how long will it take him to drive 2640 feet, a half mile?
    A. 9 seconds B. 18 minutes
    C. 6 minutes, 40 seconds D. 18 seconds
    Hint



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