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7 June, 03:25

Determine whether the relation shown in the table is a direct variation, an inverse variation, or neither. If it is a direct or inverse variation, write an equation for the function.

x : 10 15 20 25

y: 1/2 1/3 1/4 1/5

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Answers (1)
  1. 7 June, 04:22
    0
    Y = k / x

    1 / 2 = k / 10

    2 k = 10

    k = 5

    Also: 1/3 = 5/15, 1/4 = 5/20, 1/5 = 5/25.

    Answer:

    This is an inverse variation.

    An equation is : y = 5 / x.
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