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16 April, 16:18

The graph of the function is f (x) = x2 - 4x + 6. What is its axis of symmetry?

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  1. 16 April, 16:40
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    To find the axis of symmetry you must first find the vertex of the parabola. The formula for vertex is - b/2a. So the vertex has a "x" coordinate at 4/2 or 2. so the axis of symmetry is the vertical line x = 2
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