Question 692660
Write the equation in standard form 
x^2+y^2+8x+4y+19=0
complete the square
x^2+8x+y^2+4y+19=0
(x^2+8x+16)+(y^2+4y+4)=-19+16+4
{{{(x+4)^2+(y+2)^2=1}}}
This is an equation of a circle with center at (-4,-2) and radius=1