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.   Determine the sum of the geometric series for which a1 = -486, , and an = -6.
    A. 732 B. -726
    C. 322.6 D. 325
    Hint

  3.   Find the sum of the geometric series –5, -10, -20, -40, . . . for 7 terms.
    A. -599 B. -689
    C. -635 D. -527
    Hint

  4.   Identify a1 in a geometric series for which S8 = 42.5 and r = -0.5.
    A. 1.5 B.
    C. 64 D. 63.75
    Hint

  5.   Find a1 in a geometric series for which S12 = 3071.25 and r = 2.
    A. B. 3
    C. D.
    Hint



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