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# 8th Math Mod3

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

an equation that states that two ratios are equal. | proportion |

a ratio that compares two quantities measured in different units like miles/hour. | rate |

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

a constant ratio of two variables related proportionally. Expressed with the variable k. | constant of proportionality |

the constant, k in direct and inverse variation equations. | constant of variation |

a linear relationship between two variables, x and y, that can be written in the form y=kx, where k is a nonzero constant. | direct variation |

a relationship between two quantities in which the ratio of one quantity to the other quantity is constant. | proportional relationship |

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

a value that does not change. | constant |

Created by:
ashaver