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# Unit 5

### Algebraic and Coordinate Math Vocabulary

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

x-axis | the horizontal number line in a coordinate plane |

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

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

coordinate pair | An ordered pair of numbers used to locate a point on a coordinate grid. |

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

corresponding terms | Numbers that are in the same position in two or more related patterns |

terms | A number, a variable, or a product of numbers and variables. |

pattern | The geometric or regular arrangement of something in an area of study. |

origin | A fixed point from which coordinates are measured. (0,0) |

x-coordinate | The first number of an ordered pair. It corresponds to a number on the x-axis. |

y-coordinate | The second number of an ordered pair. It corresponds to a number on the y-axis. |

evaluate | form an idea of the amount, number, or value of; assess. |

grouping symbol | a device, such as a pair of parentheses, used to enclose an expression that should be simplified first. |

expression | A mathematical phrase that contains operations, numbers, and/or variables. |

operation | addition, subtraction, multiplication, division |

rule | a statement of relation between concepts |

categorize | To sort or arrange different items into classes or categories. |

characterize | describe the distinctive nature or features of a group of items, numbers, concepts |

anticipate | regard as probable; expect or predict |

concept | A general idea or thought about something |