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6-85.

Use the correct method from problem 6-84 to change each of the following equations to graphing form. Then, without graphing, find the vertex and equation of the line of symmetry for each. Homework Help ✎


  1. Complete the square to find the equation.

    Use and to find the vertex and axis of symmetry.

    vertex:
    axis of symmetry:

  2. See part (a).


    vertex:
    axis of symmetry: