Equation of a Circle Notes and Worksheets

These equation of a circle guided and worksheets cover:

• The equation of a circle (with a picture to explain how the formula is derived from the Pythagorean Theorem)
• Writing the equation from the center/radius and from a graph
• Graphing
• Determining if a point is on a circle
• Writing the equation from the center and a point
• Converting between general and standard form (completing the square, FOILing)

**I also included worksheets with the terms “center-radius form” and “standard form” for states using that vocabulary

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This product should only be used by the teacher who purchased it. This product is not to be shared with other teachers. Please buy the correct number of licenses if this is to be used by more than one teacher.

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