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graph of circle Examine the graph of the circle at right. 12-6 HW eTool (Desmos). Homework Help ✎

  1. Find the equation of the circle.

    Where is the center of the circle?
    What is the radius of the circle?

  2. On graph paper, sketch the graph of the equation . What is the radius?

Use the eTool below for help with this problem.
Click the link at right for the full version of the eTool: CCG 12-6 HW eTool