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# chapter 6

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

square root | a number that when mltipled by itself, equals the given number |

perfect square | a number with integers as its square roots |

radical sign | the symbol square root which is used to represent a square root |

radicand | the number under a radical sign |

theorem | a rule in mathmatics |

legs | the two sides of a right triangle that form the right angle |

hypotenuse | the side of a right angle that is opposite of the right angle |

irrational number | a number that cannot be written as a ratio of two integers |

rational numbers | a number that can be written as the ratio of two integers where a and b are integers and b does not =0 |

real numbers | the set of all rational an irrational numbers |

cube root | a number that wen multiplied by itself, and then multiplied by itself again equals the given number |

perfect cube | a number that can be written as the cube of an interger |

Pythagorean theorom | in any right angle, the sum of the squares of the lengths of its legs is equal to the square of the length of the hpotenuse |

Pythagorean triple | a set of three positive integers a,b,c where a2+b2+c2 |

Created by:
webers