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1 May, 23:24

Vertex of the graph of y=x^2+4x

+4
Answers (2)
  1. 1 May, 23:35
    0
    X = - b/2a

    x = - 4/2 = - 2

    To find y, plug - 2 back into original function.

    y = (-2) ^2 + 4 (-2)

    y = 4 - 8

    y = - 4

    Vertex (-2,-4)
  2. 1 May, 23:37
    0
    The answer is (-2,-4)
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