1.   Find the sum of the first five terms of the geometric series for which
a1 = 2 and r = 2.
    A. 14 B. 30
    C. 62 D. 126
    Hint

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

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

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

  5.   Evaluate .
    A. 15 B. 7.5
    C. 10.5 D. 6
    Hint



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