Question 238232
x^2+4x-4y+16=0
-4y=-x^2-4x-16
y=-x^2/4-4x/4+16/-4
y=-x^2/4-x-4
{{{ graph( 300, 200, -6, 5, -20, 10, -x^2/4 -x -4) }}} (graph 300x200 pixels, x from -6 to 5, y from -20 to 10, -x^2/4 -x -4).