Question

What is the equation

Answer 1

Circle equation: (x-h)² + (y-k)² = r²

where (h,k) is the coordinates of the center point.

Center is (5,-1) and the radius is 3√2

Plug these into your equation:

(x-5)² + (y+1)² = (3√2)²

Simplify the root:

(x-5)² + (y+1)² = 18