1.   The roots of the equation x2 - 8x - 20 = 0 are ____.
    A. -2 and -10 B. 2 and 10
    C. -2 and 10 D. 2 and -10
    Hint

  2.   Find the rational zeros of the equation 2x4 - x3 - 21x2 + 9x + 27 = 0.
    A. 3, -3, -1, B. 3, 1, -1,
    C. 3, -3, -1, D. 3, 1, -1,
    Hint

  3.   Evaluate sin (arctan ). Assume that the angle is in Quadrant I.
    A. B.
    C. D.
    Hint

  4.   In Hero's Formula, to find the area of a triangle, s in the formula
represents ______.
    A. the semiperimeter of the triangle B. the perimeter of the triangle
    C. the sum of any two of the three sides of the triangle D. none of these
    Hint

  5.   State the amplitude for the function y = - cos.
    A. - B. 1
    C. D. -
    Hint

  6.   State the period for the function .
    A. 2 B. 4
    C. 8 D. 16
    Hint

  7.   State the amplitude and period for the function y = -3 sin 3.
    A. 3; B. -3;
    C. -3; D. 3;
    Hint

  8.   State the amplitude, period, phase shift, and vertical shift for
    A. B.
    C. D.
    Hint

  9.   Which equation could represent a rose with 5 petals?
    A. B.
    C. D.
    Hint

  10.   Write the polar equation in rectangular form.
    A. x2 + y2 = 4x B. x + y = 2x2
    C. x + y = 4x D. x2 + y2 = 2x
    Hint

  11.   Make a sketch to show the vectors for an airplane traveling at 220 miles per hour at an angle of 31° from the wind.
    A. B.
    C. D.
    Hint

  12.   Solve the system of equations algebraically.
x2 - y2 = 12
x2 + 2y2 = 24
    A. no solution B. (2, 4), (-2, -4)
    C. (4, 2), (-4, -2) D. (±4, 2), (±4, -2)
    Hint

  13.   Use the first three terms of the exponential series and a calculator to approximate the value of e1.85 to the nearest hundredth.
    A. 5.62 B. 4.56
    C. 6.36 D. 2.85
    Hint

  14.   Which of the following is not true about mathematical induction?
    A. Since Sn is valid for n = 1, it is valid for n = 2. Since it is valid for
n = 2, it is valid for n = 3, and so on, indefinitely.
    B. The first possible case is always n = 1.
    C. Mathematical induction depends on a recursive process.
    D. It can be used to prove .
    Hint

  15.   A quadrilateral with vertices A(-2,-3), B(-4,2), C(-2,4) and D(0,2) is translated 5 units to the right and 3 units down. What are the new coordinates?
    A. A(-5,2), B(-7, 7), C(-5, 9), D(-3, 7)
    B. A(3,-6), B(1,-1), C(3,1), D(5,-1)
    C. A(3,0), B(-1,5), C(3,7), D(5,5)
    D. A(3,-6), B(1,-1), C(3,7), D(5,5)
    Hint

  16.   Find the distance from the origin to the graph of 2x + y = 15.
    A. B.
    C. D. undefined (cannot divide by zero)
    Hint

  17.   Write a vector equation for the line passing through P(3, -4) and parallel to .
    A. B.
    C. D.
    Hint

  18.   Given the coordinates of a rectangular prism, represent them as a vertex matrix: A(1, 5, 3), B (1, 5, -1), C (1, -3, -1), D (1, -3, 3), E (-4, 5, 3), F (-4, 5, -1), G (-4, -3, -1), H (-4, -3, 3)
    A.
    B.
    C.
    D.
    Hint

  19.   The graph of 8 + 8 cos is a ________.
    A. rose B. limaçon
    C. spiral of Archimedes D. cardioid
    Hint

  20.   The Consumer Prime Index between 1950 and 1966 can be modeled by the exponential function y = 20.48e0.0442x, where x is the number of years since 1950. Predict the CPI in 2013.
    A. 27.1 B. 331.6
    C. 516.0 D. 20.0
    Hint



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