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Systems of inequalities in n variables with create an n-dimensional shape in n-dimensional space which is called the feasible region. Any point inside this region will be a solution to the system of inequalities; any point outside it will not.

If all the inequalities are linear then the shape will be a convex polyhedron in n-space. If any are non-linear inequalities then the solution-space will be a complicated shape.

As with a system of equations, with continuous variables, there need not be any solution but there can be one or infinitely many.

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โˆ™ 2015-03-02 21:56:07
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Q: What are the solutions to system of inequalities?
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Related questions

What is the definition of equivalent inequalities?

The definition of equivalent inequalities: inequalities that have the same set of solutions

How do you know if a system has one solution?

If the equations or inequalities have the same slope, they have no solution or infinite solutions. If the equations/inequalities have different slopes, the system has only one solution.

Do solutions to systems of linear inequalities satisfy both inequalities?


Must solutions to systems of linear inequalities satisfy both inequalities?


How is the solution in a system of inequalities determine?

An inequality determines a region of space in which the solutions for that particular inequality. For a system of inequalities, these regions may overlap. The solution set is any point in the overlap. If the regions do not overlap then there is no solution to the system.

Do solutions to systems of linear inequalities need to satify both inequalities?

If it is joined by an "and" it does. If it is joined by an "or" it does not.

How do you solve questions that say which graph best represents the system of inequalities?

The solution to a system of inequalities is where the solutions to each of the individual inequalities intersect. When given a set of graphs look for the one which most closely represents the intersection, this one will contain the most of the solution to the the system but the least extra.

How do you know which region of the graph of a system of linear inequalities contains the solutions?

If the lines intersect, then the intersection point is the solution of the system. If the lines coincide, then there are infinite number of the solutions for the system. If the lines are parallel, there is no solution for the system.

Does inequalities sometimes have real number solutions?

Yes, they can.

Why do you graph inequalities on a number line?

To find the solutions.

How do you solve inequalities and graph the solutions?

Go to

How many solution sets do systems of linear inequalities have. Must solutions to systems of linear inequalities satisfy both inequalities. In what case might they not?

There is only one solution set. Depending on the inequalities, the set can be empty, have a finite number of solutions, or have an infinite number of solutions. In all cases, there is only one solution set.

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