Read a point
From the origin: move horizontally by the first coordinate, then vertically by the second (unless the axes are labeled differently). Read axis titles so you know units and which variable is which.
Plot
Mistakes
- Swapping x and y when reading.
- Ignoring different scales on each axis.
Use the calculator
FAQ
- Which axis is which?
Convention is horizontal first (often “x”), vertical second—confirm on the graph you are reading.