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# Test 8 Review Part 2

### Inequalities and Equations

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

Inequality | an open sentence that uses the symbol <, >, less than or equal to, or greater than or equal to to compare two quantities. |

Solution to an Inequality | a value of the variable that makes an inequality true; a possible answer |

Solution to an Equation | a value of the variable that makes an equation true; the answer to an equation |

Special Case | when multiplying or dividing an inequality by a negative number, flip the inequality symbol |

Standard Form of an Expression | an expression in simplest terms; all like terms are combined |

Solution Set | the set of numbers that make an inequality true; all of the possible answers to an inequality |

Let Statement | defines the variable in an expression, equation, or inequality; for example, let x = number of months |

Key Words that Indicate Greater Than | more than, over, above, exceeds |

Key Words that Indicate Less Than | under, below, fewer than |

Key Words that Indicate Greater Than or Equal To | minimum, no less than, at least |

Key Words that Indicate Less Than or Equal To | maximum, no more than, at most |