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Algebra 1 Chapter 7
McDougal Littell
Question | Answer |
---|---|
Systems of linear equations, or linear systems | Two or more linear equations in the same variables. |
Solutions of a system of linear equations | An ordered pair (x,y) is a solution of a linear equation if the equation is true when the values of x and y are substituted into the equation. |
Linear combination | An equation obtained by adding one of two equations (or a multiple of one of the equations) to the other equation in a linear system. |
System of linear inequalities | Two or more linear inequalites in the same variables. |
Solution of a system of linear inequalities | An ordered pair (x,y) is solution of linear inequality if the inequality is true when the values of x and y are substituted into the inequality. |
Graph of a system of linear inequalities | The graph of all solutions of the system. |