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 ...

Read the value on the \(y\)-axis. To find an \(x\)-coordinate ... be used when exchanging euros into pounds, two different types of currency. Linear graphs are commonly used when converting ...