Question

Ldentify the center and radius of the circle
(x-5)^2 + (y+1)^2=4.

Answer 1

`{(x - 5)}^(2) + {(y + 1)}^(2) = 4 \\ {(x - a)}^(2) + {(y -b) }^(2) = {r}^(2)`

Comparing both the equation we get,

(C) Centre:(5,-1), r =2