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# QMC study cards

### Terms and other info needed to study for QMC OA

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

'Always,Sometimes or Never" True: x+1=x | NEVER TRUE |

A, S or N xy=yx | ALWAYS TRUE |

A, S or N x*0=x | SOMETIMES TRUE |

A, S or N -(x-y)= -x-y | SOMETIMES TRUE |

A, S or N The difference between any 2 #s is an even # | ALWAYS TRUE |

A, S or N The product of 2 even numbers is an odd number | NEVER TRUE |

A, S or N The difference between 2 odd numbers is an odd number.... | NEVER TRUE |

A, S or N The product of 2 odd numbers is an odd number....... | ALWAYS TRUE |

A, S or N xy +xz= x(y+z) | ALWAYS TRUE |

A, S or N x*x=x(squared) | ALWAYS TRUE |

A, S or N x+x= x(squared) | SOMETIMES TRUE |

A, S or N x+y= x | SOMETIMES TRUE |

A, S or N If x>y, then 3x>3y is...... | ALWAYS TRUE |

A, S or N If x>y, then -x > -y | NEVER TRUE |

A, S or N x(squared)> x is..... | SOMETIMES TRUE |

A, S or N If 2x > 2y, then x<y is.... | NEVER TRUE |

Always negative, Sometimes negative or NEITHER (-x)cubed | NEITHER |

find x -3x=0 | x=0 |

find x 5x+9 = 5(x+9) | NO SOLUTION |

find x x(squared) = 16 | x= 4,-4 |

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