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10-54.

On graph paper, graph the circles given by the equations below. For each one, state the center and radius. Homework Help ✎

Refer to the Math Notes box from Lesson 10.1.2 for help with the equation of a circle.

  1. C: ;  

  2. Notice the difference between part (b) and part (a).

  3. Complete the square to solve for the center.