Given:
[tex]y=4x[/tex]
To draw the graph:
Let us find the slope as the ratio.
Comparing the given equation with y=mx+c
So, the slope m=4.
In ratio,
[tex]\frac{\text{Change in y}}{\text{change in x}}=\frac{4}{1}\Rightarrow4\colon1[/tex]
Let us take two points, (0,0) and (1,4).
So, the graph is,
