Sagot :
Answer:
A. -4,-8, -16
Step-by-step explanation:
You can use the general relationship for the equation of a circle of center at (h,k) and radius r as:
(x−h)2+(y−k)2=r2
In your case:
(x−2)2+(y−4)2=62
x2−4x+4+y2−8y+16=36
x2+y2−4x−8y−16=0
Hope it helps you.