Question 311565
(4,5); x +9y= 2
9y=-x+2
y=-x/9+2/9 (red line)
This line has a slope(m)=-1/9
A parallel line will also have a slope=1/9
5=1/9*4+b
5=4/9+b
b=5-4/9
b=(5*9-4)/9
b=(45-4)/9
b=41/9 the y intercept.
y=-x/9+41/9 (green line)
{{{ graph( 300, 200, -6, 5, -10, 10, -x/9 +2/9, -x/9 +41/9) }}} (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -x/9 +2/9 and -x/9 +41/9).