ADA: You need to plot things out to the coordinate grid before ... some time discussing the elements of the grid, such as the positive and negative numbers on each axis. Ask questions to check ...

To draw axes for a given set of coordinates: The axes will include all given coordinate values of 𝒙 and 𝒚. The scales used depends on the values of 𝒙 and 𝒚, and on the available grid.