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13 April, 03:01

What is the vertex of the quadratic function f (x) = (x - 3) (x - 2) ?

I

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  1. 13 April, 03:19
    0
    (2.5, -.25)

    Step-by-step explanation:

    First find the zeros

    (x - 3) (x - 2) = 0

    x-3 = 0 x-2=0

    x=3 x=2

    The zeros are at 3 and 2

    Find the middle of the zeros

    (5) / 2 = 2.5

    The x coordinate of the vertex is at 2.5

    To find the y coordinate, substitute x into the equation

    f (2.5) = (2.5-3) * 2.5-2)

    = -.5 (.5)

    = -.25
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