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20 February, 19:44

Find an equation for the nth term of the arithmetic sequence. - 17, - 14, - 11, - 8, ...

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Answers (2)
  1. 20 February, 19:54
    0
    Step-by-step explanation:

    a = - 17

    d = - 14 - (-17)

    = - 14+17

    = 3

    the equation of nth term = a + (n-1) d

    = - 17 + (n-1) 3

    = - 17+3n-3

    = 3n-20
  2. 20 February, 19:56
    0
    3n - 20

    Step-by-step explanation:

    a = - 17

    d = - 14 - (-17) = 3

    nth term = - 17 + (n-1) (3)

    = - 17 + 3n - 3

    = 3n - 20
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