Watch this video to learn about the equation of a straight ... lie on the line, using the formula as before, we need to calculate the gradient first. \({m_{AB}} = \frac{{{y_2} - {y_1}}}{{{ ...

Just two points are needed to draw a straight line graph, although it is a good idea to do a check with another point once you have drawn the graph. Draw the graph of \(y = 3x - 1\). If you ...