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# Unit 5 Vocab

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

Linear | A relationship for which the graph is a straight line |

Rate | A ratio that compares two quantities with different units |

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 or rates that 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 |

Ordered Pair | A pair of numbers used to locate a point on the coordinate plane |

Orgin | The point (0,0) |

Complex Fraction | A fraction that has a fraction in the numerator, denominator or both |

Quadrant | One of the four regions of the quadrant 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 graphed |

X-Coordinate | The first number in an ordered pair |

Y-Coordinate | The second first number in an ordered pair |