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6 October, 13:09

This system has one solution what is the y coordinate of the solution y = - 2x+4 y = x^2 + 4x+13

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  1. 6 October, 13:15
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    Hello : the system is:

    y = - 2x+4 ... (1)

    y = x² + 4x+13 ... (2)

    x²+4x+13 = - 2x+4

    x²+6x+9=0

    (x+3) ² = 0

    x+3=0

    x = - 3

    subsct in (1) : y=-2 (-3) + 4 = 10
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