What is the 100th term in the sequence f(n)= 4n-12
388
40012
-388
100
256, 128, 64, 32, ...
What's next?
24
18
16
8
To find the next term in a geometric sequence…
add the common difference d
multiply by the common ratio r multiply by the common ratio r
To find the next term in an arithmetic sequence…
add the common difference d
multiply by the common ratio r
-21, -16, -11, -6, ...
Is this sequence arithmetic, geometric, or neither?
arithmetic (common difference d = 5)
geometric (common ratio r = 5)
neither (no common difference OR common ratio) neither (no common difference OR common ratio)
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