Python allows free creation of plots, unlike expensive, stagnant graphing calculators. Import NumPy and Matplotlib for basic linear and polynomial plots in Python. Seaborn lets you make statistical ...

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.

Adding Data Sets One at a Time Launch Excel and load the spreadsheet containing the data you want to plot. Select the first set of X and Y axis data for your chart. Click the "Insert" tab ...