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# Graphs and Functions

### Integrated Math

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

coordinate plane | Two number lines that intersect at right angles to form four right angle sections. |

x-axis | The horizontal number line. |

y-axis | The vertical number line. |

quadrants | The four right angle sections. |

origin | Intersection point of both the x and y axis. |

ordered pair | The x and y value that identifies a location on the coordinate plane. |

coordinates | Each individual value of an ordered pair. |

scatter plot | A graph that relates two groups of data. |

positive correlation | Both sets of data increase together. |

negative correlation | One set of data decreases as the other set increases. |

no correlation | Two sets of data that are not related. |

relation | A set of ordered pairs. |

domain | The x values in the ordered pair. |

range | The y values in the ordered pair. |

function | A relation in which the x value has only one partner. |

vertical line test | A test done vertically in which you pass through only one given point at a time. |

function rule | An equation that describes a function. |

independent variable | The input values. |

dependent variable | The output values. |

rate of change (slope) | Ratio of the change in dependent values/independent values. |

point-slope form | y - y1 = m(x - x1) |

slope-intercept form | y = mx + b |

y-intercept | The location where you cross the y-axis exactly. |

standard form | Ax + By = C |

x-intercept | The location where you cross the x-axis exactly. |

parallel lines | Two lines that run side by side never touching and their slopes are the same. |

perpendicular lines | Two lines that form right angles when intersected and their slopes are opposite reciprocals of each other. |

line of best fit | The trend line that shows the relationship between two sets of data most accurately. |

Created by:
tamarablyons