SOLUTION: Find the sum of the first 50 terms for the sequence -8,-5, -2, 1, ....

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Question 1168071: Find the sum of the first 50 terms for the sequence -8,-5, -2, 1, ....
Answer by ikleyn(52788)   (Show Source):
You can put this solution on YOUR website!
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The given sequence is the arithmetic progression with the first term -8 and the common difference of 3.

Use the formula for the sum of first 50 terms of the progression.

If you don't know the formula, you may learn it from the lessons

    - Arithmetic progressions
    - The proofs of the formulas for arithmetic progressions
    - Problems on arithmetic progressions
    - Word problems on arithmetic progressions

in this site.

After learning the subject, you will tackle such problems on your own as a magician, without asking for help from outside.

And I hope, it is your SUPERIOR GOAL visiting this forum.

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".

Save the link to this textbook together with its description

Free of charge online textbook in ALGEBRA-II
https://www.algebra.com/algebra/homework/complex/ALGEBRA-II-YOUR-ONLINE-TEXTBOOK.lesson

into your archive and use when it is needed.