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# Chapter2 review

### Equations and inequalities

Question | Answer |
---|---|

What is an algebraic expression | An algebraic expression is a mathematical phrase with at least one variable |

What is an equation | An equation is a mathematical sentence with an equal sign |

What is an inequality | An inequality is a mathematical sentence that contains <,>,> or = to and < or = to or an = sign with a \ through it |

What are inverse operations | Inverse operations are operations that undo each other |

What is an open sentence | An equation with one or more variables is an open sentence |

What is a solution of an equation | A solution of an equation is a value for a variable that makes an equation true |

What is a solution of an inequality | A solution of an inequality is any value that makes the inequality true |

What is a variable | A variable is a symbol that represents one or more numbers |

Created by:
campbell munson
on 2010-01-05