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Find the common ratio r for each geometric sequence and use r to find the next three terms. -2, 6, -18, 54...
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Find the common ratio r for each geometric sequence and use r to find the next three terms. -2, 6, -18, 54...

User Cjames
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hello :
the common ratio : r = 54/-18 = -18/6 = 6/-2 = -3
User Denis Balko
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