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15 August, 15:10

X*2-6x-8

Find the vertex

Find the X intercept

Find the y intercept

Graph

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Answers (1)
  1. 15 August, 17:08
    0
    X^2 - 6x - 8 is a parabola in ax^2 + bx + c form

    The axis of symmetry is - b/2a = 3

    The vertex is (3, f (3)) = (3,-17)

    The x-intercept is f (x) = 0 where x=-1.123, 7.123

    Graphing: it opens upwards
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