Chapter 3 - Section 3.2 - Graphing Linear Equations - Exercise Set - Page 212: 23

Please see the graph.

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