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3 February, 03:06

When x = 2, y = 50 and when x = 4, y = 100. Which direct variation equation can be used to model this function?

xy = 100

xy = 400

y = 25x

y = 100x

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Answers (1)
  1. 3 February, 04:51
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    Y=25x because if you were plug in the x for both equations:

    y=25 (2)

    y=50

    y=25 (4)

    y=100

    It would be the same value as y.
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