VocabularyChapter 6

Two or more linear equations for a

System of linear equations.

Any ordered pair that makes all of the equations in a system true is a

Solution of the system of linear equations.

Solving a system of linear equations by first solving one of

the equations for one of the variables is called

The substitution method.

Solving a system of linear equations by adding or subtracting

the equations is called the

Elimination method.

The sentence formed by replacing the equal sign in a linear equation in two variables with an inequality

symbol is called a

Linear inequality in two variables.

A solution of a an inequality is any

Ordered pair that makes the inequality true.

Two or more linear inequalities makes up a

System of linear inequalities.

Any ordered pair of numbers that makes all the inequalities in a

system true is called a

Solution of the system of linear inequalities.