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6-134.

Write the equation of each circle graphed below.

Recall the general equation of a circle: where is the center of the circle and is the radius.

  1. Circle with its farthest out points as follows: (negative 2, comma 0), (4, comma 0), (1, comma 3), (1, comma negative 3).

    Write in graphing form:

  2. Circle with its farthest out points as follows: (negative 5, comma 4), (negative 1, comma 4), (negative 3, comma 6), (negative 3, comma 2).