Draw the graph of \(x = 3\). Mark some points on a grid which have an \(x\)-coordinate of 3, such as (3, 0), (3, 1), (3, -2). The points lie on the vertical line \(x = 3\). If you recognise that ...

A time graph is a line graph which shows ... It might not show every number. For example, on this graph, the vertical axis goes up in steps of 2 degrees. Even though 7 degrees and 9 degrees ...