Chapter 3 - Section 3.2 - Graphing Linear Equations - Exercise Set - Page 212: 25

Please see the graph.

Let $x=0$ $x+3y=9$ $0+3y=9$ $3y=9$ $3y/3=9/3$ $y=3$ Let $y=0$ $x+3y=9$ $x+3*0=9$ $x=9$ Let $x=6$ $x+3y=9$ $6+3y=9$ $3y=3$ $3y/3=3/3$ $y=1$ Three points on the line are $(0,3), (9,0),$ and $(6,1).$