On an iPad Pro, how do I get a trendline with equation on a scattergraph

1 Enter x-data in the first non shaded row; Enter corresponding y-values in the adjacent row

2 Select all of the data

3 On the top of the page press "+" (While the x and y data are still selected)

4 Select the scatter plot - its the one with the + signs for the points. (The adjacent one does a scatter with the poi's connected by a line, but it isn't a trend line)

5 Tap on the resulting scatter plot and select "edit series" then >Trendline>Type>Linear (or whichever...)

6 When you go back to the Trendline dialog (press <Trendline) you can select equation (or R2) for adding to the plot

I hope this makes sense.

Lol. That made my day. I’m glad it worked for you!