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Mathematics 22 Online
OpenStudy (anonymous):

Which of the following is not a geometric sequence? A. 1, 2, 4, 8 B. 3, 1, -1,-3 C. ½, ¼, 1/8, 1/16 D. 216, 72, 24, 8

OpenStudy (anonymous):

the second one looks like you are subtracting 2 each time, not multiplying

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