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# ROLAND 2

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

Constant of Porportionality | Constant ratio of 2 variables related proportionally. |

Direct Variation | relationship between 2 variables in which data increase or decrease together at a constant rate. |

linear equation | equation whose solutions form a straight line on a coordinate plane |

intersecting lines | lines that cross at exactly 1 point |

POINT SLOPE FORM | equation of a line in the form of -y, = m(x-x) when m is The slope and x1,y1 IS a specific point on the line. |

slope intercept form | linear equation written in the form y= mx+b when m represents slope and b represents the y-intercept. |

slope | measure of the steepness of a line on a graph the rise divided by the run |

x-intercept | the x coordinate of the point where the graph of a line crosses the x axis. |

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

unit rate | rate in which second quantity in the comparison is 1 unit!! |

proportional relationships | A proportional relationship is a relationship between inputs to outputs in which the ratio of inputs and outputs is always the same. -found online- |

rate of change | The average rate of change function calculates the amount of change in one item divided by the corresponding amount of change in another. -found online- |

Created by:
juliannae2000