Part I. Multiple Choice:
Directions : Choose the letter of the correct answer.
1. What is the equation of a circle with center at (0,0) and a radius of 11 uni
A. x2 + y2 = 11 B. x2+y2 = 121 C. x2 - y2 = 11
D. x2
2. Which of the following equation describes a circle on the coordinate pla
(2,-3) and a radius of 5 units?
A. (x-2)2+(y+3)2=252 B. (x+2)+(y-3)2=52 C. (x-3)2+(y+2)2=25 D. (x-2
3. Find the equation of the circle with center at the origin and the radius is 5
A. x2+y2 = 573 B. x2+y2 = 1073 C. x2+-y2 = 2573
D. X​