Using Excel's TREND function will help you identify ... and the trendline on the x-axis, but we want the trend data to show as a line. To amend this, click anywhere on the chart, and select ...

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 = 0 and 𝒚 = 0. The origin has coordinates (0 ...