Republican31
  • Republican31
Is 1.4, 2.8 , 5.6 , 11.2, … an arithmetic sequence?
Mathematics
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SOLVED
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katieb
  • katieb
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IrishBoy123
  • IrishBoy123
is there a common difference have you tested by finding the difference between consecutive term?
Republican31
  • Republican31
Sorry for not replying. So common difference meaning through addition and subtraction only? Or is multiplication and division possible for it? I can see it's simply the last term*2. So does that make it an arithmetic sequence? The lesson was a bit foggy on this.
Republican31
  • Republican31
@IrishBoy123 ?

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Republican31
  • Republican31
So I guess it's only an arithmetic sequence if the difference is through addition or subtraction, and it is only a pattern or sequence if it's through multiplication or division.
IrishBoy123
  • IrishBoy123
yes arithmetic => common difference geometric => common ratio

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