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

  2.   Name the property illustrated by (3c · 6)2 = 3c(6 · 2).
    A. associative property of addition
    B. commutative property of addition
    C. associative property of multiplication
    D. commutative property of multiplication
    Hint

  3.   Name the additive inverse of
    A. B.
    C. D.
    Hint

  4.   Name the multiplicative inverse of 5.
    A. 50 B. -5
    C. 0.2 D. 20
    Hint

  5.   Simplify 3(2a + b) + 6(a - 2b).
    A. 12a + 9b B. 12a + b
    C. 12a - 9b D. 12a + 15b
    Hint