Break-even point
The point where the cost and income functions are equal.
System of Linear Equations
When two or more equations define a relationship between quantities.
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Substitution Method
A process of solving a system of equations by substituting a variable in one equation with an equivalent expression.
Consistent Systems
Systems that have one or many solutions.
Inconsistent Systems
Systems with no solutions.
Linear Combinations Method
A process of solving a system of equations by adding two equations together, resulting in an equation with one variable.
Half-plane
The graph of a linear inequality
Constraints
Another name for the inequalities in a system of inequalities
Solution to a System of Linear Inequalities
The intersection of the solutions to each inequality
Linear Programming
A branch of mathematics that determines the maximum and minimum value of linear expressions on a region produced by a system of linear inequalities