SOLUTION: write an equation for the nth term of the arithmetic sequence 4 1 -2 -5

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Question 884067: write an equation for the nth term of the arithmetic sequence 4 1 -2 -5
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Looks like -3 is the common difference.
A%5Bn%5D=A%5B1%5D-3%28n-1%29
A%5B1%5D=4
A%5Bn%5D=4-3%28n-1%29
A%5Bn%5D=4-3n%2B3
highlight%28A%5Bn%5D=7-3n%29