Plotted points on a graph are referred to as coordinates. Coordinates are pair of numbers written in the form \(({x},~{y})\) where \({x}\) is the amount moved ...

and draw a horizontal line, using a ruler, across to the line. Draw a vertical line, using a ruler, from the line down to the \(x\)-axis and read the value on the \(x\)-axis. A linear graph could ...