Answer
(a) $(2,0)$; $(0,3)$. (b) see graph.
Work Step by Step
(a) Given $\frac{1}{2}x+\frac{1}{3}y=1$, to find the x-intercept, let $y=0$. We have $x=2$ or $(2,0)$; to find the y-intercept, let $x=0$. We have $y=3$ or $(0,3)$.
(b) see graph.