Answer
$$y = \frac{1}{2}{x^2} + C$$
Work Step by Step
$$\eqalign{
& \frac{{dy}}{{dx}} = x \cr
& {\text{Separate the variables}} \cr
& dy = xdx \cr
& {\text{Integrate both sides}} \cr
& \int {dy} = \int {xdx} \cr
& y = \frac{1}{2}{x^2} + C \cr
& \cr
& {\text{Graph}} \cr} $$
