-4x + 4y = 1
First, let x = 0
So..... 4y = 1 → y = 1/4
So the point (0, 1/4) is on the graph
Next, let y = 0
So .... -4x = 1 → x = -1/4
So the point ( -1/4, 0) is also on the graph
Plot these two points and draw a line through them.......this will be your graph !!!