Image caption, STEP 3 - Draw a graph and label the x axis 1 to 4 and the y axis 1 to 9 ... For example, for y = 3x, the y value is always equal to '3 lots' of the x value. (1,3), (10,30) and ...
{2}x - 4\). First, find the perpendicular gradient and substitute this into the equation for all straight lines, \(y = mx + c\). If \(y = 3x - 1\) the gradient of the graph is 3. This means the ...