12, 6, 0, -6, ...
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The following formula generalizes this pattern and can be used to find ANY term in an arithmetic sequence. a'n = a'1+ (n-1)d.
Give the simple formula for the nth term of the following arithmetic sequence. Your answer will be of the form an + b.12, 16, 20, 24, 28, ...
The answer depends on what the explicit rule is!
An arithmetic sequence is a list of numbers which follow a rule. A series is the sum of a sequence of numbers.
It appears to be -6