A system of equations is represented on the graph. Tell whether each equation is
part of the system.
-2
2
O land II
O II and III
Oland III
O III and IV
0
-2-
Equation : 3x+y=5
Equation II: 2x+3y-8
Equation III :-&x+2y=-4
Equation IV: 4x+y=2
