Circles True or False

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 True False
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 True False
3.	Suppose line q is tangent to ⊙O at the point P. Which of the following must be true? -> Line q is perpendicular to OP and may be perpendicular to another radius of ⊙O. True False
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 True False
5.	What is the equation of a circle with radius 12 units and center at (3, -2)? -> (x – 3)² + (y + 2)² = 144 True False
6.	What is the center of the circle with equation (x – 5)² + (y + 18)² = 67? -> (5, -18) True False
7.	What is the radius of the circle with equation (x – 8)² + (y + 1)² = 54? -> 54 units True False
8.	What is the exact circumference of the circle with equation (x + 5)² + (y + 2)² = 36? -> 10π units True False
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? -> True False
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 True False

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