# equation in standard form

Transform the equation to standard form and find the center and radius of the circle:

1. (x - 3)^2 = 9 - y^2

2. x^2 + y^2 = 6x - 8y

3. 2x^2 + 2y^2 = 2x + 2y - 1

4. (x + 1)^2 + (y - 2)^2 = 25

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Transform the equation to standard form and find the center and radius of the circle:

1.

This can be written as . This is the required standard form.

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#### Solution Summary

The expert finds the center and radius of the circle.

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