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 ...

To help draw a straight line graph from its equation, fill in a table of 𝑥 and 𝑦 values. Plot the pairs of values as coordinates and join to make a line. Make sure you are confident with ...

Properly formatted charts and graphs can help you grasp the patterns and trends hidden within the raw data of an Excel spreadsheet. For example, if you are comparing the stock performance of two ...

In math and statistics, you may occasionally need to calculate the slope of a line generated by coordinates in the (x,y) format. The slope is a value that indicates the rate at which the y value of a ...

Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. This post is motivated by a comment on my blog post Line Charts Are Not Always ...