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# Algebra 1 Chapter 11

### McDougal Littell

Question | Answer |
---|---|

Proportion | An equation that states two ratios are equal. |

Extremes of a proportion | In the proportion a/b=c/d a and d are the extremes. |

Means of a proportion | In the proportion a/b=c/d b and c are the means. |

Extraneous Solution | A trial solution that does not satisfy the orginal equation. |

Base number of a percent equation | The number that is being compared to in any percent equation. |

Inverse variation | The relationship of two variables x and y if there is a non zero number. |

Constant of variation | The constant variation model. |

Rational number | A number that can be written as the quotient of two integers. |

Rational expression | A fraction whos numerator, denominator, or both numerator and denominator are nonzero polynomials. |

Simplified rational expression | A rational expression is simplified if its numerator and denominator have no factors in common. |

Geometric Probability | The probability P is that an object is tossed onto Region A and lands in Region B. |

Least common denominator | The least common multiple of the denominators of two or more fractions. |

Rational Equation | An equation that contains rational expression. |

Rational Function | A function form f(x)=polynomial/polynomial |

Hyperbola | The graph of a rational function. |

Center of a hyperbola | The point (h,k) in the graph of the rational function. |

Asymptote | A line that graph approaches. The distance between the graph and the line approaches zero. |

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dhmahlman