1.   Simplify 6a + 15a.
    A. 42a B. 21a
    C. 21a2 D. 6a + 15a
    Hint

  2.   Find the sum -5 + (-6).
    A. 1 B. -11
    C. -1 D. 11
    Hint

  3.   Evaluate if a = 6.
    A. 8 B. 12
    C. 4 D. 24
    Hint

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

  5.   Find the median of {55, 21, 47.4, 69, 71}.
    A. 71 B. 21
    C. 55 D. 47.4
    Hint

  6.   Write a power that represents the number of small squares in the large square.
   
    A. 25 B. 52
    C. 5 5 D. 5 2
    Hint

  7.   Find tan Z.
   
    A. 6 B. 0.6
    C. 0.75 D. 1.8
    Hint

  8.   Express the relation whose graph is shown as a set of ordered pairs.
   
    A. {(1, 1), (2, -2), (-3, -2), (-4, 3)}
    B. {(1, 1), (-2, 2), (-2, -3), (3, -4)}
    C. {(1, 1), (-2, 2), (-3, -2), (-4, 3)}
    D. {(1, 1), (2, -2), (2, -3), (-3, 4)}
    Hint

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

  10.   Simplify .
    A. B. The expression is in simplest form.
    C. D.
    Hint

  11.   Evaluate 4(6) + 7(5 3).
    A. 118 B. 10
    C. 80 D. 38
    Hint

  12.   Simplify 2x + 5x + 4(x + 3).
    A. 11x + 3 B. 11x + 12
    C. 14x D. 23x
    Hint

  13.   Draw a graph of the ordered pairs in the table.
   
    A. B.
    C. D.
    Hint

  14.   Use the formula A = lw to find the width of a rectangle whose area is 46.875 square meters and whose length is 7.5 meters.
    A. 6.25 meters B. 6.35 meters
    C. 6.5 meters D. 6.2 meters
    Hint

  15.   Solve
    A. B.
    C. D.
    Hint

  16.   Express 2.38 × 106 in standard notation.
    A. 238,000 B. 0.00000238
    C. 0.000000238 D. 2,380,000
    Hint

  17.   What are two consecutive numbers whose product is 132?
    A. 10 and 11 B. 6 and 22
    C. 12 and 13 D. 11 and 12
    Hint

  18.   How many real roots are there for the equation 2x2 + 6x + 3?
    A. 1 B. cannot be determined from given information
    C. 0 D. 2
    Hint

  19.   Coach Rodney has just enough money that he can buy 11 football uniforms for $80 each. But if he decides to instead coach baseball, those uniforms cost $120 each. What is the maximum amount of uniforms that he would be able to buy, assuming he stays within his budget?
    A. 17 uniforms B. 8 uniforms
    C. 7 uniforms D. 16 uniforms
    Hint

  20.   Which of the following pairs of coordinates are on a line with an undefined slope?
    A. (3, -2), (3, 5) B. (-2, -2), (4, 4)
    C. (2, 1), (5, -2) D. (-4, -3), (3, -3)
    Hint



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