# G.6.6.3 Your Turn

- Author:
- Katie Akesson

Here is the equation of a circle: x² + y² - 2x + 4y - 4 = 0 1. Write the equation of the circle in factored form. 2. Give the center and radius of the circle. 3. Draw a graph of the circle below.

Here is the equation of a circle: x² + y² - 2x - 8y + 16 = 0 1. Write the equation of the circle in factored form. 2. Give the center and radius of the circle. 3. Draw a graph of the circle below.

Here is the equation of a circle: x² + y² - 12x - 10y - 39 = 0 1. Write the equation of the circle in factored form. 2. Give the center and radius of the circle. 3. Draw a graph of the circle below.

Here is the equation of a circle: x² + y² + 6x + 20y + 105 = 0 1. Write the equation of the circle in factored form. 2. Give the center and radius of the circle. 3. Draw a graph of the circle below.