Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Unit 3

### Danielle Bryant

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

constant of proportionality | the constant value of the ratio of two proportional quantities x and y |

Direct Variation | when two variables are related in such a way that the ratio of their values always remains the same |

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

point-slope form | a method for graphing a linear equation on an x-y axis |

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

rate of change | the ratio of the change in the output value and change in the input value of a function |

slope | the slant or tilt of a line (rise over run) |

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

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

unit rate | rate with a denominator of 1 |

proportional relationship | between two quantities is one in which the two quantities vary directly with one another |

intersecting lines | the point where two lines meet or cross |

Created by:
Danielle00