1.   Find the sum of the infinite series if it exists.
    A. 1 B. 4
    C. 8 D. The sum does not exist.
    Hint

  2.   Express as a rational number of the form .
    A. B.
    C. D.
    Hint

  3.   What is the value of r in an infinite geometric series if a1 = 3 and the sum is 6?
    A. B.
    C. D.
    Hint

  4.   Write as a fraction.
    A. B.
    C. D.
    Hint

  5.   Which of the following series is not infinite?
    A. B.
    C. D.
    Hint



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