1)

\

The system of equations are

\

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\

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\

Observe the graph,

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The equation is consistent system has an infinite number of solutions.

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2)

\

The system of equations are

\

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\

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\

Observe the graph,

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The lines do not intersect, so the graphs are parallel and there is no solution.

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The equation is inconsistent, thesystem has no solution .

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3)

\

The system of equations are

\

\"\"

\

\"\"

\

Observe the graph,

\

The equation is consistent system has an infinite number of solutions.

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4)

\

The system of equations are

\

\"\"

\

\"\"

\

Observe the graph,

\

The equation is consistent system has at least one solution.

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5)

\

The system of equations are

\

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\

\"\"

\

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 .