Calculate the Equation from the Parameters. Microsoft Office Excel 2003 and earlier versions of Excel. On the left is the most likely chart you will get.
In the coming Format Trendline dialog box check the Polynomial option specify an order number based on your experiment data and check the Display Equation on chart option.
We can see that the plot follows a curved line since the equation that we used was quadratic. To graph a linear equation all you have to do it substitute in the variables in this formula. Microsoft Office Excel 2003 and earlier versions of Excel. Also if you like to show the equation on the chart tick the Display Equation on chart box.