Use completing the square to...

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Use completing the square to describe the graph of the following function support your answer graphically.
f(x)=-2x^2+4x+1

  • Use completing the square to... -

    f(x)=-2x^2+4x+1
    = -2(x^2 - 2x +1 - 1) + 1
    = -2( (x-1)^2 -1) + 1
    = -2(x+1)^2 + 3

    you should be able to state the properties you are looking for from that.

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