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# Chapter 20

### Algebra: Explore Negative Numbers and Graphing

vocabulary | definitions |
---|---|

Zero | None |

Number Line | A line with equally-spaced marks named by numbers |

Degrees Fahrenheit | A standard unit for measuring temperature in the customary system |

Degrees Celsius | A standard unit for measuring temperature in the metric system |

Negative Numbers | All numbers to the left of zero on the number line |

Positive Numbers | All numbers to the right of zero on the number line |

Opposites | Integers that are the same distance, but in opposite directions, from zero on the number line |

Inequality | A number sentence that shows two quantities are not equal |

Ordered pairs | A pair of numbers used to locate a point on a coordinate grid |

x-axis | The horizontal line on a coordinate grid |

y-axis | The vertical line on a coordinate grid |

x-coordinate | The first number in an ordered pair that tells the distance to move horizontally |

y-coordinate | The second number in an ordered pair that tells the distance to move vertically |

Created by:
Central 4th Math
on 2007-06-12