What is the common ratio between successive terms in the sequence? 2, –4, 8, –16, 32, –64, ...
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The common ratio of the successive terms in the sequence is -2. -4/2 = -2 8/-4 = -2 -16/8 = -2 32/-16 = -2 -64/32 = -2 As you can see, each term after the first term is -2 of the the preceding term. It is the common ratio because it is the ratio of all numbers in the sequence.
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