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INSTRUCTIONS: ENTER numbers into Cells B5, C5, D5, B8, B9, and B10 ONLY. This Excel program will graph one quadratic function in the window size shown. The graph f(x) will change as the a, h, and k values are entered into Cells B5, C5, and D5, respectively.

SHAPE: Enter the a-value (Cell B5) to change the shape of f(x). When the a-value is close to zero, the graph is close to horizontal.

HORIZONTAL SHIFT: Enter the h-value in Cell C5 to slide the graph of f(x) to the left or to the right.

VERTICAL SHIFT: Enter the k-value in Cell D5 to move the graph of f(x) up or down.