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# Unit 9: Coordinates

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

additive pattern | a pattern that occurs when a constant non-zero value is added to an input value to determine the output value (y = x + a) |

coordinate plane | a plane spanned by the x-axis and y-axis in which the coordinates of a point are its distances from two intersecting perpendicular axes |

graph | a visual representation of the relationship between data collected |

multiplicative pattern | a pattern that occurs when a constant non-zero value is multiplied by an input value to determine the output value (y = ax) |

numerical pattern | a list of numbers that follow a certain sequence |

ordered pair of numbers | two numbers used to locate a point on a coordinate plane; the first number tells how far to move horizontally (x axis) and the second number tells how far to move vertically (y axis) |

quadrant | any of the four areas created by dividing a plane with an x-axis and y-axis on a rectangular coordinate system |

x-axis | the horizontal number line on a rectangular coordinate system |

x-coordiante | the value of the x-axis is used to locate a point on the coordinate graph; it is the first value in an ordered pair |

y-axis | the vertical number line on a rectangular coordinate system |

y-coordinate | the value of the y-axis used to locate a point on the coordinate graph; it is the second value in an ordered pair |