Do the same for x=1, x=2, x=3 and x=4. Image caption, STEP 3 - Draw a graph and label the x axis 1 to 4 and the y axis 1 to 9. ... How to draw a graph of a linear equation.

In order to draw the curve on a graph we require several pairs of coordinates. These coordinates represent the relationship given in the equation. Eg y = 4 – x² ...