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13 September, 07:27

For the line that has the equation 4x1 + 8x2 = 88, an axis intercept is:

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  1. 13 September, 07:47
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    The given equation is

    4x + 8x² = 88

    That is,

    8x² + 4x - 88 = 0

    or

    2x² + x - 22 = 0

    The x-axis intercepts are determined by the solution of the quadratic equation as

    x = (1/4) [-1 + / - √ (1+176) ] = 3.076 or - 3.376

    Answer: 3.076 or - 3.376
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