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# Ryan Algebra 28 Nov

### Unit 6 Vocab

Vocab Word | Definition |
---|---|

Quadrants | The 4 regions into which the coordinate plane is divided by the x-axis and the y-axis |

Coordinate Plane | The plane containing the x and y axes |

X-Axis | The horizontal number line |

Y-Axis | The vertical number line |

Axes | Two perpendicular number lines that are used to locate points on a coordinate plane |

Origin | The point of intersection of the two axes in the coordinate plane |

X-Coordinate | The first number in an ordered pair |

Y-Coordinate | The second number in an ordered pair |

Graph | To draw, or plot, the points named by certain numbers or ordered pairs on a number line or coordinate plane, respectively |

Relation | Any pairing of a set of inputs with a set of outputs |

Domain | The set of all inputs in a function |

Range | The set of all outputs in a function |

Mapping | Pairs one element in the domain with one element in the range |

Independent variables | The input variable of a function |

Dependent variables | The output variable of a function |

Linear equation | An equation whose graph is a line |

Function | A pairing of inputs with outputs such that each input is paired with exactly one output |

Vertical line test | If any vertical line passes through no more than one point of the graph of a relation |

Functional notation | A way to name a function using the symbol f(x) instead of y |

Linear Inequality in Two Variables | An inequality that is the result of replacing the = sign in a linear equation with less than, less than or equal to, greater than, or greater than or equal to |

Graph of an inequality in two variables | The set of points in a coordinate plane that represents all solutions of the equation |

Half-Plane | In a coordinate plane, the region on either side of a boundary line |

Boundary | A line that separates the coordinate plane into half-planes |

Created by:
RyanTMS