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 ...

The four quadrants allow coordinates with negative and positive values to be plotted. The \(x\)-axis is labelled with positive numbers increasing to the right and negative numbers decreasing to the ...

I've been reviewing a calculus course I took long ago, and have discovered how handy Grapher.app is for visualizing things. One thing I'd like to do is to be able to plot points though, not just ...