cllege algebra

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determine the qudratic function whose vertex is (2,-4) and passes through
(3,-1)
fx=

  • cllege algebra -

    since we know the vertex, let it be

    y = a(x-2)^2 - 4
    but (3,-1) lies on it
    -1 = a(1) - 4
    a = 3

    y = 3(x-2)^2 - 4

  • cllege algebra -

    new question using the square to descibe the graph of fx= -8 -16x-x^2

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