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. A linear equation is represented as a line graph. In order to draw ...

All quadratic functions have the same type of curved graphs with a line of symmetry ... 2 + bx + c = 0 \) has no solutions then the graph does not cross or touch the x-axis.