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

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

  3.   The length of the arc of the swing of a pendulum is 120 mm. If the length of the arc of each succeeding swing is decreased by 10%, find the total distance the pendulum travels before it stops.
    A. 800 mm B. 1000 mm
    C. 90 mm D. 1200 mm
    Hint

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

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



Glencoe
The McGraw-Hill Companies