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21 April, 14:38

What is the common difference for the arithmetic sequence? - 5, - 1, 3, 7, ...

a. 6

b. - 4

c. - 6

d. 4

+3
Answers (1)
  1. 21 April, 16:40
    0
    D=difference=an-an-1

    d=a₂-a₁=-1 - (-5) = - 1+5=4

    d=4
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