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1 November, 10:44

3. What is the axis of symmetry for f (x) = 2x2 + 8x + 8?

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  1. 1 November, 13:41
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    Axis of symmetry is the same as the vertex.

    The vertex is - 2,0

    This means that the axis of symmetry is x=-2

    I used my TI-84 plus graphing calculator to solve this problem. It can also be done by using the quadratic formula.
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