A | B |

whole numbers | {1, 2, 3, . . .} |

counting numbers | {0, 1, 2, 3, . . .} |

integers | {. . . , -3, -2, -1, 0, 1, 2, 3, . . .} |

real numbers | all positive and negative numbers |

rational number | any number that can be expressed as a fraction |

irrational number | any number that cannot be expressed as a fraction |

origin | point labeled 0 |

positive numbers | numbers to thr right of zero |

negative numbers | numbers to the left of zero |

graph of a number | point on a number line |

coordinate | number that corresponds to a point |

closure | the sum or product of real numbers is a real number |

commutative property | order of addion or multiplication doesn't matter |

associative property | addion or mutiplication can be groupe in any order |

identity porperty | result is identical to original number |

base | factor of repeated multiplication |

exponent | number of identical factors |

variable | symbol used to represent a number |

term | value to be added or subtracted |

coefficient | numerical part of a term |

like terms | terms with the same variable(s) and exponent(s) |

equation | statement equation two expressions |

solution | value that make the equation true |

linear equation | equation of a line |

equivalent equations | equations with the same solution |

verbal model | an equation using words |

algebraic model | equation using constants and variables |

inequality | a statement that one quantity is greater or less than another |

compound inequality | an inequality with two statements |

absolute vale | distance a number is from zero |