Blakemiller2020
05.02.2022 •
Mathematics
4. Which of the following is a geometric sequence?
O 3,6,9, 12,...
50,25,0, -25,...
011, 15, 19, 23, ...
4,-16,64, -256,...
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Ответ:
Choice D
Explanation:
We can verify this by noticing the ratio between adjacent terms is the same
term2/term1 = -16/4 = -4term3/term2 = 64/(-16) = -4term4/term3 = -256/64 = -4The common ratio is -4. Each time we need a new term, multiply the previous term by -4. Example: -16*(-4) = 64.
Ответ: