Question

1. A degenerate circle is:

a circle with radius r = 0.
a point.
a line.


a. I only

b. II only

c. III only

d. I and II only

e. I, II, and III

2. A degenerate circle is:

a circle with radius r = 0.
an ellipse.
a point.


a. I only

b. II only

c. III only

d. I and III only

e. I, II, and III