College Algebra
posted by Amanda .
Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle.
x^2+y^2+16x18y+145=25

x^2+16x+64 + y^218y+81=25+64+81
(x+8)^2 + (y9)^2=170 check that.
posted by Amanda .
Write the equation of the circle in standard form. Find the center, radius, intercepts, and graph the circle.
x^2+y^2+16x18y+145=25
x^2+16x+64 + y^218y+81=25+64+81
(x+8)^2 + (y9)^2=170 check that.