Save guides, add subjects and pick up where you left off with your BBC account. Plot points with coordinates where \(x\) and \(y\) are equal. Three points are sufficient, but more can be plotted.

Save guides, add subjects and pick up where you left off with your BBC account. The graphs of \(y = 2x + 1\) and \(y = 2x - 2\) are shown below. The graph of \(y = 2x + 1\) crosses the \(y\)-axis ...