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# Chapter 2 math

### Chapter 2

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

Orderd Pair | A pair of numbers(x,y) used to locate a point in a coordinate plane. The first number is the x-coordinate, and the second is the y-coordinate |

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

X-axis | The horizontal number line in a coordinate plane |

Y-axis | The vertical number line in a coordinate plane |

X-coordinate | The first coordinate in an ordered pair, which indicates how many units to move to the left or right from the orgin |

Y-coordinate | The second coordinate in an ordered pair, which indicates how many units to move up or down from the orgin |

Linear Equation | An equation whose graph is a line |

Solution of a Linear Equation | All of the points on a line |

Slope | A ratio of the change in y (the rise) to the change in x (the run)between any two points on a line. it is a measure of the steepness of a line |

Slope- Intercept Form | An equation written the form y=mx+b. The slope of the line is m and the y-intercept of the line is b |

X-intercept | The x-coordinate of the point where a line crosses the x-axis |

Y-intercept | The y-coordinate of the point where a line crosses the y-axis |

Standerd Form | A linear equation written in the form ax+by=c |

Systems of linear Equations | A set of two or more linear equations in the same variables |

Solution of a System of Linear Equations | an ordered pair that makes each equation in a system of linear equations true |

Rise | The change in y between two points on a line |

Run | The change in x between two points on a line |

Created by:
Preston Beasley