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28 May, 13:46

Tell whether the sequence is arithmetic. If it identify the common diffrence.

-7,-3,1,5

1) not arithmetic

2) Arithmetic, common difference is 4

3) Arithmetic, common difference is 8

4) Arithmetic, common difference is 7

+4
Answers (1)
  1. 28 May, 14:02
    0
    add 4 each time

    -3 - (-7) = 4

    1 - (-3) = 4

    5-1 = 4

    common difference = 4

    arithmetic

    Answer 2 Arithmetic, common difference is 4
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