Question

@Kommander_Kitten
could you help me on this one?
picture below

Answer 1

yo can start by completing the squares for both x and y

Answer 2

and since you know that \[r(x,y)=(x-a)^2+(y-b)^2=r^2, (a,b) = center\]

Answer 3

im a bit confused ):

Answer 4

if you do the calculations, you get \[r(x,y)=(x-1)^2+(y-3)^2=6^2\]
thus the center is (1,3) and r=6

Answer 5

what you basically want to do is obtain (x+ something squared) + (y +something squared) = radius squared