ywpeu ywpeu
  • 23-06-2021
  • Mathematics
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Which of the sequences is an arithmetic sequence?

Which of the sequences is an arithmetic sequence class=

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jimthompson5910 jimthompson5910
  • 23-06-2021

Answer: Choice A

This is because we're adding -6 to each term, i.e. subtracting 6 from each term, to get the next term

  • -2+(-6) = -8
  • -8+(-6) = -14
  • -14+(-6) = -20
  • -20+(-6) = -26

and so on. The gap between adjacent terms is the same width. We say that the common difference is d = -6.

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