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Mathematics, 18.01.2020 08:31 RickandMorty420710

Ineed math . if youre solving a geometric sequence, the equation needed is an=a1rn-1. if a1= 5 and r= -2. my question was "find the 6 numbers in this geometric sequence." the answer is : 5, -10, 20, -40, 80, -160.
i dont understand how the sequence goes from postive numbers to negative numbers? i got all the same numbers except mine were all negative.

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Ineed math . if youre solving a geometric sequence, the equation needed is an=a1rn-1. if a1= 5 and r...
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