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arithmetic

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The first term of an arithmetic sequence is -3 and the fifteenth term is 53.
What is the common difference of the sequence?
14/13
25/7
4

  • arithmetic - ,

    Use your definitions of the term of an arithmetic sequence

    a = -3
    term(15) = a + 14d
    53 = -3 + 14d

    solve for d

  • arithmetic - ,

    is this following sequence arithmetic is so identify the common difference
    -73,-44,-15,14

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