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# Vocabulary - Unit 2

### Vocab. Words

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

integer | The number..., -3, -2, -1, 0, 1, 2, 3,... consisting of the negative integers, zero, and the positive integers. |

negative integer | Integers that are less than zero. |

number line | a line with equal distances marked off to represent numbers |

venn diagram | uses circles or ovals inside a rectangle to show a relationship of sets |

positive integer | Integers that are greater than zero |

whole number | The numbers 0, 1, 2, 3,... |

rational number | A number that can be written a/b where a and b are integers and b does not equal 0 |

absolute value | The absolute value of a number a is the distance between a and 0 on a number line. The symbol IaI represents the absolute value of a |

coordinate | The number that corresponds to a point on a number line |

comparison property | for any two numbers a and b, exactly one of the following sentences is true: a=b a |

cross products | when two fractions are compared, the cross products of the terms on the diagonals |

density property | between every pair of distinct rational numbers, there are infinitely many rational numbers |

complex fraction | a fraction that contains a fraction in its numerator, denominator, or both |

matrix | a rectangular arrangement of numbers in columns and rows. each number in a matrix are written m x n |

dimensions of the matrix | if a matrix has m rows and n columns, |

Created by:
Albino_T1ger