Question

The center of a circle is located at (5, −5) . The radius of the circle is 3.

Answer 1

The equation of a circle is:
$(x - xo) {}^{2} + (y - yo) {}^{2} = r {}^{2}$
(x-5)²+(y+5)²=3²
x²-10x+25+y²+10y+25=9
x²+y²-10x+10y+41=0