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# Hawkins Algebra 1B

### Unit 4 Vocabulary

Term | Definition |
---|---|

Elimination | The use of addition or subtraction to eliminate one variable and solve a system of equations |

Open half-plane | The solution of a linear inequality that EXCLUDES the boundary line |

Solution | The coordinate pair that is true for both equations |

Substitution method | Algebraic method for finding the solution to a system of equations |

Independent | If a consistent system has exactly one solution |

Dependent | If a consistent system has infinitely many solutions; the graph only has one line |

Inconsistent | If a system has no solution, the graphs are parallel |

Consistent | The system has at least one solution; the graphs intersect at one point or are the same line |

System of linear inequatities | Set of two or more inequalities with the same variables |

Half-plane | The region of the graph of an inequality on one side on a boundary |

Closed half-plane | The solution of a linear inequality that INCLUDES the boundary line |

System of equations | Two or more equations |

Boundary | A line or curve that separates a graph into regions |