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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.

  1. 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?

  1. Follow the steps outlined in part (a).