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12 October, 12:01

The graph of the line with equation y = 7 x + 8 crosses the x-axis when x = ?

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Answers (2)
  1. 12 October, 12:09
    0
    To find the X intercept plug in a zero for the Y then solve for X.

    y = 7x + 8

    0 = 7x + 8

    Subtract 8 from both sides

    -8 = 7x

    Divide both sides by 7

    -8/7 = x
  2. 12 October, 12:22
    0
    X=8 because when you put it into the graphing calculator thats when they intersect
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