x^2+16x+64 + y^2-18y+81=25+64+81
(x+8)^2 + (y-9)^2=170 check that.
Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle.
x^2+y^2+16x-18y+145=25
1 answer
x^2+y^2+16x-18y+145=25
1 answer