1.   Simplify (4x)(-2y).
    A. 2xy B. -8x - 8y
    C. -8xy D. -8 + xy
    Hint

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

  3.   Which statement is best illustrated by the graph?
   
    A. jogging B. walking up steps
    C. driving on the highway D. driving through the city
    Hint

  4.   Choose the slope-intercept form of the equation of the line that passes through (-2, 4) and is perpendicular to the graph of 2x + y = -20.
    A. B. y = 2x + 8
    C. y = -2x D.
    Hint

  5.   Simplify Assume the denominator is not equal to zero.
    A. 5xy2 B.
    C. 1 D. 5xy8
    Hint

  6.   Find the equation of the axis of symmetry of the graph of
y = 2x2 - 8x + 5.
    A. x = 4 B. x = -4
    C. x = 2 D. x = -2
    Hint

  7.   Find .
    A. B.
    C. D. 2
    Hint

  8.   Express in simplest form.
    A. B.
    C. D.
    Hint

  9.   Find .
    A. B.
    C. D.
    Hint

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

  11.   Solve 11b = 132.
    A. b = -1452 B. b = 12
    C. b = -12 D. b = 1452
    Hint

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

  13.   Suppose y varies directly as x, and y = -65 when x = -26. Write a direct variation equation that relates x and y.
    A. B.
    C. D.
    Hint

  14.   What is implied when it is said that x and y have no correlation?
    A. When the value of x increases, the value of y does not necessarily increase or decrease.
    B. When the value of x increases, the value of y increases.
    C. When the value of x decreases, the value of y decreases.
    D. When the value of x increases, the value of y decreases.
    Hint

  15.   A boat travels 30 miles upstream in 4 hours. The trip downstream takes 2.5 hours. Find the rate of the boat in still water.
    A. 2.25 mph B. 9.23 mph
    C. 6.92 mph D. 9.75 mph
    Hint

  16.   Find (–2x2 + 5x – 1) – (3x2 – 4x – 6).
    A. –5x2 + 9x + 5 B. –5x2 + x – 7
    C. –5x2 + 9x – 7 D. –5x2 + x + 5
    Hint

  17.   Which of the following equations will have exactly 1 real root?
    A. 2x2 + 5x – 16 B. 9x2 + 12x – 4
    C. 4x2 – 8x + 4 D. x2 – 6x – 9
    Hint

  18.   What is the area of a square whose sides measure meters?
    A. B.
    C. D.
    Hint

  19.   Consider two items. Item A is the length of a side of a right triangle whose hypotenuse is 30 and whose other side is 24. Item B is the length of the hypotenuse of a right triangle whose legs have lengths of 12 and 15. What is true?
    A. cannot be determined from given information B. Item A is greater.
    C. Item B is greater. D. Item A = Item B
    Hint

  20.   State the excluded value(s) of .
    A. –4 B. , 2
    C. –4, , 2 D. –4, 3, 2
    Hint



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