Plot points with coordinates where \(x\) and \(y\) are equal. Three points are sufficient, but more can be plotted. Draw a line through the plotted points. If \(x\) is positive, \(y\) is negative. If ...

Not sure if this was the right place for this or not, but figure this would be the best place to start. disclaimer: my background is in circuit design but since we just taped-in (yay!), so I there is ...