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    Question

    The common ratio of a geometric sequence is 3 and the 4th term is 9. What is the first term of the sequence?

    A 1/9 Correct Answer Incorrect Answer
    B 1 Correct Answer Incorrect Answer
    C 3 Correct Answer Incorrect Answer
    D 1/3 Correct Answer Incorrect Answer

    Solution

    Common Ratio = Next term/3rd term => 3 = 9/3rd term => 3rd term = 3 Now, 2nd term = 3/3 = 1 So, 1st term = 1/3

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