AMC 12B 2003 Problem 6

Past Contests AMC 12 AMC 12B - 2003
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1

The second and fourth terms of a geometric sequence are 2 and 6 . Which of the following is a possible first term?

Answer Choices
A. -\sqrt{3}
B. -\dfrac{2 \sqrt{3}}{3}
C. -\dfrac{\sqrt{3}}{3}
D. \sqrt{3}
E. 3