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26 May, 00:34

What is the x-intercept and vertex of: y=-x^2-14x-49

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  1. 26 May, 01:00
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    y-int = - 49 vertex = 7

    explanation:

    a b c

    y = x^2 - 14x - 49

    formula to find the vertex:

    -b / 2a

    = - (-14) / 2 (1)

    = 14 / 2

    = 7

    the y-intercept is c

    in this equation c is - 49, which means the y-int is - 49.
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