2.   Where the center of the circle is (h, k) and r is the radius. Equation

3.   Write the equation of a circle whose center is at (3, 2) and whose radius is 8. Example

4.   Write the equation of a circle whose center is at (-4, 1) and whose radius is 3. Example

5.   Given the equation Identify the center and radius of the circle. Then graph the circle. Example

6.   Given the equation Identify the center and radius of the circle. Then graph the circle. Example

7.   Find the equation of the circle whose center is at (-2, 4) and passes through the point (1, 8). Example

8.   p.583: 3-18 PRACTICE