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# Unit 4 Algebra

### Unit 4 Vocab Algebra

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

parallel lines | two lines in a plane that do not intercept |

perpendicular lines | two lines in a plane that intersect at a ninety degree angle |

standard form | Ax + By = C where A, B, and C are integers |

point-slope form | the equation of a straight line in the form y − y1 = m(x − x1), where m is the slope and (x1, y1) are the coordinates of a given point on the line |

slope intercept form | y = mx + b, where m is the slope and b is the y-intercept |

x - intercept | where the graph crosses the x-axis |

y-intercept | where the graph crosses the y-axis |

slope | a measure of the steepness of a line |

linear equation | an equation between two variables that gives a straight line when plotted on a graph |

rate of change | a ratio that compares the amount of change in a dependent variable to the amount of change in an independent variable |

Created by:
heather.lander