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# Math vocab Ch. 2

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

dimensional analysis | the process of carrying units throughout a compution |

equivalent equations | equations that have the same solution |

formula | an equation that states a rule for the relationship between two quantities |

identity | an equation that is true for every value of the variable |

multi step equation | equations with more than one operation |

percent of change | when an increase or a decrease is expressed as a percent |

proportion | an equation of the form A over B equals C over D. It states that two ratios are equvalent |

rate | the ratio of 2 measurements having different units of measure |

ratio | a comparison of 2 numbers by division |

scale model | a model used to represent an object that is to large or to small to be built in actual size |

solve an equation | the process of finding all values of the variable that make the equation true |

unit rate | a ratio of 2 quantities and the 2nd of which is one unit |

weighted Average | the sum of the product of the number of units and the value per unit divided by the sum of the number of units represented by m |

Created by:
ChloeMJ