1)
\The system of equations are
\

Observe the graph,
\The equation is consistent system has an infinite number of solutions.
\2)
\The system of equations are
\

Observe the graph,
\The lines do not intersect, so the graphs are parallel and there is no solution.
\The equation is inconsistent, thesystem has no solution .
\3)
\The system of equations are
\

Observe the graph,
\The equation is consistent system has an infinite number of solutions.
\4)
\The system of equations are
\

Observe the graph,
\The equation is consistent system has at least one solution.
\5)
\The system of equations are
\

Observe the graph,
\The lines do not intersect, so the graphs are parallel and there is no solution.
\The equation is inconsistent, thesystem has no solution .