1. Circles Standard form of a circle: Notice the sign change. When pulling the numbers out of the equation to get the center, change the signs!

3. Write the equation of a circle whose center is (3,-4) with a radius of 7. Write the equation of a circle whose center is (0,10) with a radius of 3. Write the equation of a circle whose center is (0,0) with a radius of.

4. Page 1 Plug in points until you find one that does not equal 25.

5. Page 1

6. Page 2

11. Homework Pages 1-2 #1,2,4,6,9,11,12,15, 16,17