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# bauer/joint vocab 1

### use for review

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

similar figures | same shape but different sizes; corresponding sides are in proportion |

scale factor | the ration of any 2 corresponding lengths in 2 similar figures |

unit rate | a rate with a denominator of 1 |

slope | the rate of change between any two points on a line; the steepness of a line; rise over run |

ratio | a way to compare quantities using division |

rate of change | a rate that describes how one quantity changes in relation to another; usually a unit rate |

rate | a ratio of 2 quantities having different kinds of units; example miles per hour |

proportion | an equation stating 2 ratios or rates are equivalent |

constant rate of change | the rate of change in a linear relationship |

nonproportional | the relationship between two quantities that do not have a constant ratio |

equivalent ratios | two ratios that have the same value |

proportional | two quantities that have a constant ratio |

direct variation | the relationship between two variable quantities that have a constant ratio; another term for proportional |

constant of variation | also known as the constant of proportionality |

constant of proportionality | a constant ratio or unit rate of two quantities that are proportional |

complex fractions | fractions with a numerator that is a fraction, a denominator that is a fraction, or both that are fractions |

unit price | divide the price by the unit of measure (the quantity) |

Created by:
michelle.bauer.hflcsd.org