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# Geometry Quiz 1B

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

is a statement that is accepted as true without proof. | Postulate |

formally proven | Theorem |

a conditional or "if-then" statement is a logical statement divided into two parts. p:hypothesis q:conclusion p-->q reads "if p then q" | Logic |

The ______ of a conditional statement is formed by interchanging the hypothesis and the conclusion. q-->p | Converse |

proving/giving an example when something is false. | Counter example |

if m | TRUE FALSE |

A _______ statement is the combination of a conditional statement and its converse p<-->q reads "p if and only if q" | Biconditional statement |

________ of a hypothesis or conclusion is formed by denying the original hypothesis or conclusion. P:the weather is good P: the weather is not good | Negation |

The _______ is the negation of the conditional statement. -p--->-q ex. conditional statement if the weather is good, then i will go swimming. ___ if the weather is not good, then i will not go swimming | Inverse |

The _____ is the negation of the converse. took original, flipped it, made it negative -p--->-p ex. if i do not go swimming then the weather is not good. | Contrapositive |

p--->q | Conditional Statement |

q--->p | converse (flip) |

p<-->q | biconditional (conditional&converse have to be true) |

-p--->-q | inverse (negative) |

-q-->-p | contrapositive (flip,negative) |

if the __________ statement is true, the __________ is true. | conditional,contrapositive |

If the __________ is true, then the ________ is true. | converse,inverse |

Uses facts, definitions, and accepted properties in a logical order to write a logical arguement. | Deductive reasoning |

Two angles whoses sum is 90° | complementary angles |

two angles whose sum is 180° | supplementary angles |

Created by:
AmandaaC