1. 
Given one line and one circle that you can arrange in any way you like, what is the minimum number of points where they intersect? > 0

2. 
Given one line and one circle that you can arrange in any way you like, what is the maximum number of points where they intersect? > 2

3. 
Suppose line q is tangent to ⊙O at the point P. Which of the following must be true? > Line q is parallel to OP and may be parallel to another radius of ⊙O.

4. 
In the figure below, segments AC and BC are tangent to ⊙O at points A and B, respectively. If AO = 3 cm and AC = 5 cm, what is CB? > 5 cm

5. 
What is the equation of a circle with radius 12 units and center at (3, 2)? > (x – 3)^{2} + (y + 2)^{2} = 144

6. 
What is the center of the circle with equation (x – 5)^{2} – (y + 18)^{2} = 67? > No such circle exists

7. 
What is the radius of the circle with equation (x – 8)^{2} + (y + 1)^{2} = 54? > 54 units

8. 
What is the exact circumference of the circle with equation (x + 5)^{2} + (y + 2)^{2} = 36? > 10π units

9. 
If line m is tangent to ⊙O at P and the slope of the line containing OP is , what is the slope of line m? >

10. 
Consider the circle with radius 6 units, centered at the origin. Where is the point (3, 4) in relation to the circle? > Perpendicular to the circle
