1.   Simplify –11(t + 1).
    A. 11t + 11 B. -11t + 1
    C. 11t + 1 D. -11t – 11
    Hint

  2.   Simplify 14(b – 10).
    A. b – 140 B. 14b – 140
    C. 4b D. 14b – 10
    Hint

  3.   Simplify –20(z – 5).
    A. -20z + 100 B. -20z – 5
    C. 20z – 5 D. 20z + 100
    Hint

  4.   Write 7 · 7 · 7 · 7 · 7 in exponential form.
    A. 75 B. 57
    C. 77 D. 55
    Hint

  5.   Identify the like terms in the expression 2n + 8 - 5n + 2m.
    A. 8, -5n B. no like terms
    C. 2n, 2m D. 2n, -5n
    Hint

  6.   Identify the like terms in the expression 7a + b + 7 - 15b.
    A. b, -15b B. no like terms
    C. 7a, 7 D. b, c
    Hint

  7.   Rewrite 4 - 7a as an addition expression by using the additive inverse.
    A. (-7a) + 4 B. 4 + (-7a)
    C. 7a - 4 D. 4 + 7a
    Hint

  8.   Rewrite 9q - 5r as an addition expression by using the additive inverse.
    A. 9q + (-5r) B. (-5r) + 9q
    C. 5r - 9q D. 9q + 5r
    Hint

  9.   Rewrite 2b - 8 as an addition expression by using the additive inverse.
    A. (-8) + 2b B. 2b + 8
    C. 8 - 2b D. 2b + (-8)
    Hint

  10.   Write 2 · 2 · 9 · 2 · 9 using exponents.
    A. 8 · 92 B. 23 · 93
    C. 23 · 92 D. 32 · 29
    Hint



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