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7 October, 22:27

Use a graphing tool to solve the system.

{13x+6y=-30

x-2y=-4

Which ordered pair is the best estimate for the solution to the system? (-2.5, 0.75) (-1.25, 1.75) (0.75, - 3.25) (-2.5, 0.25)

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  1. 8 October, 00:48
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    13x+6y=-30

    x-2y=-4

    This means that ... 6y = - 30 - 13x ... y = - 13x/6 - 5 (a)

    (b) x+4 = 2y ... y = x/2 + 2

    The Solution is (-2.625,0.688) so the best estimate is (-2.5, 0.75)
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