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12 August, 15:11

Find the vertex, the equation of the axis of symmetry, and the y-intercept of the graph of each function.

y=x^2-9

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  1. 12 August, 15:33
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    Step-by-step explanation:

    y = (x-a) ^2+b

    axis of symmetry is x-a=0 or x=a

    vertex is (a, b)

    y-intercept is y=b

    Here eq. of axis of symmetry is x=0 or y-axis.

    y - intercept is - 9
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