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NatalieLove

What is the sum of the arithmetic sequence 8, 15, 22 …, if there are 26 terms?

  • one year ago
  • one year ago

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  1. Siddharth18
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    well first find the common difference

    • one year ago
  2. kantalope
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    n+7

    • one year ago
  3. Siddharth18
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    subtract any consequetive terms.that gives you the common difference

    • one year ago
  4. Siddharth18
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    for example if a,b and c are in arithmetic progression then common difference is b-a which also equals c-a now tell what's the cd for the given sequence?

    • one year ago
  5. Siddharth18
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    r u there?

    • one year ago
  6. NatalieLove
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    yes

    • one year ago
  7. NatalieLove
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    i dont get it

    • one year ago
  8. Siddharth18
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    do you know what common difference in an arithmetic progression means?

    • one year ago
  9. NatalieLove
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    no

    • one year ago
  10. Siddharth18
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    http://www.math10.com/en/algebra/arithmetic-progression.html

    • one year ago
  11. NatalieLove
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    ok

    • one year ago
  12. Siddharth18
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    can you it solve yourself now?

    • one year ago
  13. NatalieLove
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    not really

    • one year ago
  14. NatalieLove
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    im gonna guess it

    • one year ago
  15. Siddharth18
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    you attemptin sum kinda test?

    • one year ago
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