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How do you solve -3 6-12 24-..-a7?

Updated: 4/28/2022
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7y ago

Best Answer

The numbers could be from the sequence with a(1) = -3 and the common ratio r = (-2)If so, then
a(7) = -3*(-2)^6 = -3*64 = -192.


Of course, it is entirely possible that the numbers do not form a geometric sequence but a polynomial sequence such as

a(n) = (27*n^3 - 189*n^2 + 396*n - 240)/2 and if so, a(7) = 1266.

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7y ago
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Q: How do you solve -3 6-12 24-..-a7?
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