Answer: The equation of a circle with center (h,k) and radius r is given by (x−h)2+(y−k)2=r2 . For a circle centered at the origin, this becomes the more familiar equation x2+y2=r2
Step-by-step explanation:
Answer:
there is an app I use that is called desmos graphing calculator and it is very helpful with problems like this.
it's A
I Think so
See Attached number line
^.^
- Amanda