SOLUTION: what is the general term of -2,-5,-8,-11.....

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Question 1062910: what is the general term of -2,-5,-8,-11.....
Answer by ikleyn(52785) About Me  (Show Source):
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Arithmetic progression with the first term a%5B1%5D = -2 and the common difference d = -3.

The common term is a%5Bn%5D = a%5B1%5D+%2B+d%2A%28n-1%29 = -2 + (-3)*(n-1) = - 2 - 3*(n-1).


There is a bunch of lessons on arithmetic progressions in this site:
    - Arithmetic progressions
    - The proofs of the formulas for arithmetic progressions
    - Problems on arithmetic progressions
    - Word problems on arithmetic progressions
    - Mathematical induction and arithmetic progressions
    - One characteristic property of arithmetic progressions
    - Solved problems on arithmetic progressions


Also, you have this free of charge online textbook in ALGEBRA-II in this site
    - ALGEBRA-II - YOUR ONLINE TEXTBOOK.

The referred lessons are the part of this online textbook under the topic
"Arithmetic progressions".