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Q: What is the seventh term in the following sequence 7 7 14 21 35 56?

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The sequence of differences between consecutive numbers is 9, 1, -20, 9, 1. If this continues then the next difference is -20 and therefore the seventh number is -5. (15 - 20).

-34 would be the 15th term.

They are: nth term = 6n-4 and the 14th term is 80

In this case you can calculate the 14th. term as 100 + (-4)(14-1).

The nth term would be -2n+14 nth terms: 1 2 3 4 Sequence:12 10 8 6 This sequence has a difference of -2 Therefore it would become -2n. Replace n with 1 and you would get -2. To get to the first term you have to add 14. Therefore the sequence becomes -2n+14. To check your answer replace n with 2, 3 or 4. You will still obtain the number in the sequence that corresponds to the nth term. :)

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