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30 December, 03:21

Write an expression to describe the sequence below. Use n to represent the position of a term in the sequence, where n = 1 for the first term.

-2, - 4, - 6, - 8, ...

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  1. 30 December, 05:39
    0
    -2n

    Step-by-step explanation:

    -2,-4,-6,-8

    the difference between each number is 2

    since all numbers are negatives it's going to be a negative nth term

    now

    -2 * (1) = - 2

    -2 * (2) = - 4

    -2 * (3) = - 6

    -2 * (4) = - 8
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