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What is the common difference for this arithmetic sequence? - 6, - 2, 2, 6, 10

a) 4

b) 3

c) 6

d) 5

+2
Answers (1)
  1. 23 July, 05:19
    0
    a) 4.

    Step-by-step explanation:

    Common difference = any term after the first - previous term

    = - 2 - (-6)

    = - 2 + 6

    = 4

    Checking other terms:-

    2 - (-2) = 2+2 = 4

    6 - 2 = 4 and 10 - 6 = 4 which confirms it is 4.
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