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9 February, 16:32

Is (1,-1) a solution of y=3x+2

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  1. 9 February, 19:06
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    In order to check a solution, just plug in the coordinates. The 1 is x, and the - 1 is the y. Just plug the numbers in and see if it works out:

    y = 3x + 2

    (-1) = 3 (1) + 2

    -1 = 5

    -1 is NOT equal to 5, so (1, - 1) is NOT a solution of y = 3x + 2.
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