1. What is the equation of a circle with center at (0,0) and a radius of 11 units?
A. x² + y2 = 11
B.x2+y2 = 121
C. x² - y² = 11
D. x2 - y2 = 121
2. Which of the following equation describes a circle on the coordinate plane with a center at
(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)2+(y+3)2=52
3. Find the equation of the circle with center at the origin and the radius is 5v3 units.
A. x2+y2 = 573
B. X24-y2 = 1073
C.X2+y2 = 2573
D. x² + y2 = 75
paki sagot po pls.​