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# Systems Ch.5

### Ch.5

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

the open sentence J > 5 is called an ____________ | inequality |

if a < b, then a + c < b + c then it is _________ property of Inequality | addition |

if a < b and c > 0, then ac < bc if a < b and c < 0, then ac > bc it is _____________ properties of inequality | multiplication |

____ _____, those with the same number of rows and columns, can have inverses | square matrices |

if ad - bc doesn't = 0, the inverse of [a b] is [d/ad-bc-b/ad-bc] [c d] [-c/ad-bc a/ad-bc] is the ______ ______ theorem | inverse matrix |

a 2x2 system has exactly 1 solution if and only if the determinant of the coefficient matrix is not zero. this is the _______-________ theorem | system-determinant |

the feasible region of every linear-programming problem is convex, and the maximum or minimum quantity is determined at 1 of the vertices ofthis feasible region. is the _______-_______ theorem | linear-programming |

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wrestlebabe95