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# 7th grade Ch. 4

### 7th Grade Course 3 Chapter 4 vocabulary

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

ordered pair | a pair of numbers that can be used to locate a point on a coordinate plane |

coordinate plane | a plane formed by the intersection of a horizontal number line called the x-axis and a vertical number line called the y-axis. |

x-axis | the horizontal axis on a coordinate plane |

y-axis | the vertical axis on a coordinate plane |

quadrant | the x and y axis divide the coordinate plane into 4 regions. Each region is called a _________. |

x-coordinate | the first number in an ordered pair. It tells the distance to move right or left from the origin. |

y-coordinate | the second number in an ordered pair. It tells the distance to move up or down from the origin. |

origin | the point where the x-axis and y-axis intersect on the coordinate plane |

graph of an equation | a graph of the set of ordered pairs that are solutions of the equation |

domain | the set of all possible input values of a function |

range | the set of all possible output values of a function |

function | an input-output relationship that has exactly one output for each input. |

vertical line test | a method to check if a graph is a function. If a vertical line intersects the graph at more than one point, then the relationship is not a function. |

sequence | an ordered list of numbers |

arithmetic sequence | an ordered list of numbers in which the difference between consecutive terms is always the same |

term | a number in a sequence |

common difference | the difference between any two successive terms in an arithmetic sequence |

Created by:
galbreath01