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# vacab-unit 3

### vocabulary words

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

addition property of equality | adding the same number to each side of an equation produces an equivilant equation |

subtraction property of equality | subtracting the same number from wach side of an equation |

multiplication property of equality | multiplying each side of an equation by the same nonzero number |

division property of equality | dividing each side if an equation by the same nonzero number |

inverse opertation | two opinions that undo wach other |

eauility equation | equation that has the same solution |

solve an equation | isolate the variable having a coefficient of 1 on one side of the equation |

muti-step equation | equation with more than one operation |

identity | a equation that is thrue for all values of the variable |

inequality | an opening sentence that contains the sybols <,> |

additon property for inequatily | for all nubers a,b,and c, the following are true: 1)if a>b, then a+c>b+c |

subtraction property for inequality | 1)a>b, then a-c>b-c |

set-builder notation | a notation used to describe the members of a set |

division property for inequality | 1)c si positive and a>b, then a/c>bc |

multiplication property for inequality | 1) if c is positive and a>b, then a/c>bc |

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