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