1.   Name the sets of numbers to which the value of -16 ÷ 50 belongs.
    A. reals (R), rationals (Q), integers (Z), whole numbers (W)
    B. reals (R), irrationals (I)
    C. reals (R), rationals (Q)
    D. reals (R), rationals (Q), integers (Z)
    Hint

  2.   Solve |t - 16| = 20.
    A. {4, -36} B. {4, 36}
    C. {-4, -36} D. {-4, 36}
    Hint

  3.   Which equation has a graph that is parallel to the graph of 4x - 2y = 1?
    A. B.
    C. D. y = 2x - 3
    Hint

  4.   Choose the graph that shows the solution to the system of inequalities and
    A. B.
    C. D.
    Hint

  5.   Find the minimum value of f(x, y) = 4x - 2y for the polygonal region determined by the feasible region.
   
    A. -28 B. 27
    C. 14 D. -14
    Hint

  6.   A baker earns 15¢ profit per glazed doughnut g, and 40¢ profit per jelly doughnut j. If a customer wants to buy no more than a dozen doughnuts and wants to try at least one of each kind, what is the maximum profit the baker can earn?
    A. $1.80 B. $4.80
    C. $3.30 D. $4.55
    Hint

  7.   Evaluate using expansion by minors.
    A. 80 B. 14
    C. 68 D. 64
    Hint

  8.   Express 0.091 in scientific notation.
    A. 9.1 × 101 B. 9.1 × 102
    C. 9.1 × 10-2 D. 9.1 × 10-1
    Hint

  9.   Use synthetic division to find
    A. 2d3 - d2 + 2d - 4 + 5
    B.
    C.
    D.
    Hint

  10.   Express using exponents.
    A. B.
    C. D.
    Hint

  11.   Solve
    A. 5 B.
    C. D.
    Hint

  12.   Name the sets of numbers to which belongs.
    A. Irrationals and Reals B. Naturals, Wholes, Integers, Rationals, and Reals
    C. Rationals and Reals D. Integers, Rationals, and Reals
    Hint

  13.   Graph the line passing through the point (2, -5) with a slope of –2.
    A. B.
    C. D.
    Hint

  14.   Find the slope of the line below.
   
    A. B.
    C. D.
    Hint

  15.   What is the slope of the line with equation
    A. B. 7
    C. D. -7
    Hint

  16.   Solve the system 4y – 6x + 8z = 13, 10y – 15x + 20z = 6, y – 5x + 2z = 5.
    A. no solution B. (-3, 1, 7)
    C. infinite solutions D.
    Hint

  17.   Find the product of
    A.
    B.
    C.
    D.
    Hint

  18.   Which of the following is the correct rotation matrix for a rotation of 180°counterclockwise about the origin?
    A. B.
    C. D.
    Hint

  19.   Two sides of an angle are contained in lines whose equations are 6x + 4y = 15 and 7x – 9y = 3. Find the coordinates of the vertex of the angle. Round to the nearest hundredth.
    A. (–147, –87) B. (–1.79, 1.06)
    C. (147, 87) D. (1.79, 1.06)
    Hint

  20.   Factor 4x2 – 49.
    A. B.
    C. D. (2x + 7)(2x – 7)
    Hint



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