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4 August, 00:09

Which system of equations can be graphed to find the solution (s) to 4x2 = x2 - 7?

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  1. 4 August, 00:18
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    You dnon't need to graph a nutty system of equations

    hmm

    4x^2=x^2-7

    minus x^2

    3x^2=-7

    divide both sides by 3

    x^2=-7/3

    false unless you want complex roots

    one way is to graph the lines

    y=4x^2

    y=x^2-7

    find where they intersect (they don't on the real plane)
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