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13 February, 19:57

Raphael graphed the system of equations shown. y = - 3 y = x - 0.8 What is the best approximation for the solution to this system of equations? (-3.2, - 3) (-2.9, - 3) (-2.2, - 3) (-1.9, - 3) Mark this and return

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  1. 13 February, 21:32
    0
    The answer is C (-2.2, - 3).

    In order to find the ordered pair we must use what we know from the first equation in the second. We already know that y = - 3, so that goes into the second equation.

    y = x - 0.8

    -3 = x - 0.8

    -2.2 = x
  2. 13 February, 21:43
    0
    Given - --›

    y = - 3

    &

    y = x - 0.8

    So,

    => x = y + 0.8

    => x = - 3 + 0.8

    => x = - 2.2

    Therefore, the best approximation for the solution to this system of equations is = (-2.2, - 3)
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