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
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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