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26 May, 06:09

Given the equation f (x) = 2x² + 4x - 1, what is axis of symmetry? a. 1 c. - 1 b. 2 d. 0

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  1. 26 May, 07:14
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    Answer: x=-1

    Step-by-step explanation:

    the x value of the vertex = - b/2a if the equation is in "ax^2+bx+c" for

    you are in luck

    x value of the vertex = - 4/4 = - 1

    the line of symmetry is a vertical line, and since it must pass through the vertex

    line of symmetry: x=-1
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