1.   Write the additive inverse of -10.
    A. B. 10
    C. D. -10
    Hint

  2.   Solve f = 3 – 5.
    A. f = 8 B. f = 2
    C. f = -2 D. f = -8
    Hint

  3.   A hiker begins on top of a mountain that stands 12,500 feet above sea level. He walks down to the valley that is 250 feet below sea level. What is his change in elevation?
    A. -12,250 feet B. 12,250 feet
    C. 12,750 feet D. -12,750 feet
    Hint

  4.   Evaluate y – (-6) if y = -2.
    A. -8 B. -4
    C. 4 D. 8
    Hint

  5.   Evaluate xm if x = -6 and m = 8.
    A. -14 B. 2
    C. -2 D. 14
    Hint