Just two points are needed to draw a straight line graph, although it is a good idea to do a check with another point once you have drawn the graph. Example Draw the graph of \(y = 3x - 1\).

Key points about straight line graphs Coordinates such as (3, 8) have an 𝑥-coordinate (3) and 𝑦-coordinate (8) to show how far a point has moved horizontally and vertically from the origin ...

Look for trends, anomalies or points that stand out in the data. Draw some conclusions about the data so you know what you will present. Determine the type of graph to use.

How to make a line graph in Excel. 1. Open the Excel spreadsheet with the data you wish to use in ... then click on the line graph icon — it looks like two zigzagging lines with data points on ...