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# Unit 5 Vocab

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

linear | a relationship for which the graph is a straight line |

Rate | a ratio that compares two quantities with different |

direct variation | another term for proportional; when two variables have the same y/x ratio |

constant of proportionality | another term for unit rate |

proportion | an equation stating that two ratios rates are equal |

slope | the rate of change between any two points on a line |

unit rate | a rate where the denominator is equal to 1 unit |

order pair | a pair of numbers used to locate a point on the coordinate |

origin | the point (0,0) |

complex fraction | a fraction that has a fraction in the numerator, denominator both |

quadrant | one of the four regions of coordinate plane |

rate of change | describes how one quantity changes in relation to another |

proportional | another term for direct variation; when two variables have the same y/x ratio |

coordinate plane | the grid where ordered pairs are graohed |

x-coordinate | the first number in an ordered pair |

y-coordinate | the second number in a ordered pair |