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kcla1996 Group Title

Is the sequence 5, 9, 15, ... an arithmetic sequence? Explain.

  • one year ago
  • one year ago

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  1. helder_edwin Group Title
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    if the difference of any two consecutive terms (\(d=a_n-a_{n-1}\)) is constant, then it is a arithmetic sequence.

    • one year ago
  2. CliffSedge Group Title
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    Compare 9-5 with 15-9.

    • one year ago
  3. kcla1996 Group Title
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    so it is an arithmetic sequence?

    • one year ago
  4. Edutopia Group Title
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    use your brain...

    • one year ago
  5. kcla1996 Group Title
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    shut up i'm not good at maths

    • one year ago
  6. helder_edwin Group Title
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    are 9-5 and 15-9 equal?

    • one year ago
  7. kcla1996 Group Title
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    no they are not equal. So i guess that means it isn't an arithmetic sequence. Can u explain why?

    • one year ago
  8. helder_edwin Group Title
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    good. that's why. if the sequence were an arithmetic one, both differences are supposed to be equal.

    • one year ago
  9. kcla1996 Group Title
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    ok thank you

    • one year ago
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