Save guides, add subjects and pick up where you left off with your BBC account. A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate ...

To find the values of \(y\), each value of \(x ... from the line down to the \(x\)-axis and read the value on the \(x\)-axis. A linear graph could be used when exchanging euros into pounds ...