You would notice that the line graph and scatter plot chart curves are different. However, these charts are static. You could also consider creating Dynamic charts in Excel .

How to Get Chart Bars to Show Red When the Value Is Less Than Zero in Excel?. When you create a chart in Excel using positive and negative values, ... How to Make a Line Plot in PowerPoint.

A scatter plot is just one style of chart-making in Excel. If you find that you need more flexibility in the presentation, you can right-click on the chart and select Change chart type .

Click the first cell containing the y values of the line that you need the intercept for. Hold "Shift" and click the last cell containing the y values of the line. Type a comma in the formula field.