Draw line AB, line CD and line EF with line AB parallel to line CD and line CD perpendicular to line EF.
1 answer:
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Answer:
Step-by-step explanation:
The key thing to look for to determine whether a sequence is geometric is to see whether the ratio between consecutive terms - the number I would multiply one term by to get the next - is constant.
By inspection, we see that the fourth answer choice satisfies that, as Why not the first? We have
The third choice is not a geometric sequence, but rather an arithmetic sequence, where the difference between consecutive terms is constant. Just to make sure that it isn't geometric, we compute
The second sequence is not geometric (although it does eventually converge to 1, but not its corresponding series), as