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10-40.

    Complete the square to convert each of the following quadratic functions to graphing form. State the vertex and sketch the graph. Homework Help ✎

Move the constant to the other side.

Determine what number should be added to both sides so that the right side is factorable as .

Add to both sides.

Factor the right side of the equation.

Move the '' back to the right side.

Vertex: Why/how do you know?

Follow the steps outlined in part (a).