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23 October, 20:13

In attempting to solve the system of in equality y = 3x - 2 and x - 2y = 4, John graphed the two equations on his graphing calculator. Because he saw only one line, John wrote that the answer to the system is the empty set. Is He correct?

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  1. 23 October, 20:37
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    Y = 3x - 2

    rearranging the second equatio:-

    -2y = - x + 4

    y = 0.5x - 2

    these are 2 different equations so he would see 2 lines which intersect so he was not correct.
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