SOLUTION: Given the nth term for each arithmetic sequence, find the common difference and write-out the first four terms. a[n] = 3n – 2

Algebra ->  Sequences-and-series -> SOLUTION: Given the nth term for each arithmetic sequence, find the common difference and write-out the first four terms. a[n] = 3n – 2      Log On


   

Question 1119498: Given the nth term for each arithmetic sequence, find the common difference and write-out the first four terms.
a[n] = 3n – 2
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
%283%28n%2B1%29-2%29-%283n-2%29
3n%2B3-2-3n%2B2
3, commondifference


a%5B1%5D=3%2A1-2
a%5B1%5D=1


First Four Terms:
1, 4, 7, 10