1.   Find the sum of the first five terms of the geometric series for which
a1 = 2 and r = 2.
    A. 126 B. 14
    C. 30 D. 62
    Hint
  2.   What is the sum of the first eight terms of the geometric series for which a1 = -4 and r = -2?
    A. 1024 B. 340
    C. 256 D. 1020
    Hint
  3.   Determine the sum of the geometric series for which a1 = -486, , and an = -6.
    A. -726 B. 732
    C. 325 D. 322.6
    Hint
  4.   Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms.
    A. -527 B. -689
    C. -599 D. -635
    Hint
  5.   Identify a1 in a geometric series for which S8 = 42.5 and r = -0.5.
    A. B. 64
    C. 63.75 D. 1.5
    Hint