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12 April, 00:56

Y=-99/4 when x=-11 and z=4. Find when x=2 and z=-8

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Answers (1)
  1. 12 April, 01:17
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    The question can't be answered with the given information.

    We don't know how y changes when x and z change.

    That information would be given in the form of an 'equation',

    of which there is none to be found here.

    For example, the equation might be: y = 9x/z.

    Then, as you said, y=-99/4 when x=-11 and z=4,

    AND

    when x=2 and z=-8, y would be - 2.25.

    But, the equation might be y = (x-88) / z.

    Then, y is still - 99/4 when x=-11 and z=4,

    BUT

    when x=2 and z=-8, y would be 10.75.

    With only the information given in the question,

    there's no way to be sure.
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