1. Section 10.1 – The Circle

2. Write the standard form of each equation. Then graph the equation.
center (0, 3) and radius 2
h = 0, k = 3, r = 2

3. Write the standard form of each equation. Then graph the equation.
center (-1, -5) and radius 3
h = -1, k = -5, r = 3

4. Write the standard form of each equation. Then graph the equation.

5. Write the standard form of each equation. Then graph the equation.

6. Write the standard form of each equation. Then graph the equation.

10. Find the equation of the circle with center (8, -9) and passes
through the point (21, 22).

11. Find the equation of the circle with center (-13, 42) and passes
through the origin

12. Find the equation of the circle whose endpoints of a diameter
are (11, 18) and (-13, -20)
Center is the midpoint of the diameter
Radius uses distance formula

13. Find the equation of the circle tangent to the y-axis and
center of (-8, -7).
r = 8 C

14. Find the equation of the circle whose center is in the first
quadrant, and is tangent to x = -3, x = -5, and the x-axis
r = 4 x x