SOLUTION: what would the nth term be for 64,58,52,46 please

Question 452497: what would the nth term be for 64,58,52,46 please
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
We know that it is an arithmetic sequence with common difference -6. So, somewhere in the general expression there would have to be a -6n, and since it is arithmetic the only possible expression is some constant coupled with the -6n, so the general expression is

The first term (n=1) is 64, so we can solve for C and get C = 70. Hence, the nth term is given by

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