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March 29, 2017

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Find the vertex of the parabola.
y = -2x2 + 12x - 13

  • math - ,

    Use the equation vertex=-b/2a.

    b would be 12
    a would be -2

    That gets you the x value of the vertex, which is 3. Plug in 3 for x now to get y.

    y=-2(3)^2+12(3)-13

    y=36+36-13

    y=59.

    Your vertex is (3,59).

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