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

  2.   Find the difference |-25| - (-32).
    A. 57 B. -7
    C. -57 D. 7
    Hint

  3.   Find the sum
    A. B.
    C. D.
    Hint

  4.   Find the product (-3.6) × 7.
    A. 2.4 B. 10.6
    C. -25.2 D. 25.2
    Hint

  5.   Find 56.875 ÷ -6.5.
    A. -11.375 B. -8.75
    C. 11.375 D. 8.75
    Hint

  6.   Express the result in scientific notation.
    A. 1.25 × 10-4 B. 1.25 × 1010
    C. 1.25 × 10-10 D. 1.25 × 104
    Hint

  7.   Use mental math to solve
    A. B.
    C. D.
    Hint

  8.   How many possible subsets does {a,b,c} have?
    A. 12 B. 9
    C. 7 D. 8
    Hint

  9.   Which is a graph of whole numbers greater than 3?
    A. B.
    C. D.
    Hint

  10.   If A= {0,1,2,3,4}, B={2,4,6,8} and C= find
    A. {-3, -2, -1, 0, 1, 2, 3, 4} B.
    C. {-3, -2, -1, 0, 2, 4, 6, 8} D. {0}
    Hint

  11.   is a real number and and is a real number and x<3}. Which is the graph of
    A. B.
    C. D.
    Hint

  12.   What is the value of cell A3?
   
    A. 6 B. 90
    C. 18 D. 9
    Hint

  13.   What is the value of cell D4?
   
    A. 1840 B. 1620
    C. 15 D. 540
    Hint

  14.   If a = –3 and b = 4, what is
    A. 15 B. –11
    C. –27 D. 12
    Hint

  15.   If a = –5 and b = 7, what is
    A. –174 B. 145
    C. –76 D. –114
    Hint

  16.   What is ?
    A. B. 6
    C. D. 9
    Hint



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