For each quadratic function below use the method of completing the square or averaging the intercepts to rewrite it in graphing form. Then, state the axis of symmetry and give the vertex of each parabola. Try to use each method at least once. a. y=x2−4x+9 b. f(x)=x2−8x c. y=x2+7x−2

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A: Topic:- function

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Q: Complete the square and find the minimum or maximum value of the quadratic function. y = x2 − 6x + 9

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Q: Complete the square and find the minimum or maximum value of the quadratic function. y = x2 + 2x + 5

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Maximization

Have you ever seen a bridge in the shape of a parabola? Where is its maximum on the bridge? The maximum of that bridge is the highest point on that bridge. The process of finding the maximum of the bridge here is called the maximization.