If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Microsoft Excel charts give you a large number of options for displaying the data in your spreadsheet. Sometimes, it is useful and informative to plot two different sets of data on the same chart, ...

Excel has two primary types of charts that graph data sets onto an axis: line charts and scatter charts. Depending on your settings, the two types of charts can look identical, but using the wrong one ...

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 ...

You can make a bar graph in Excel by first selecting the range of data you want to depict, and then using the dropdown menu to select the desired chart. A bar graph represents the data of an Excel ...

The origin is the position where 𝒙 and 𝒚 are both zero. It has the coordinates (0, 0). The 𝒙-axis is the horizontal line and the 𝒚-axis is the vertical line. The origin is the position where 𝒙 = ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Pete Rathburn is a copy editor and ...