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# Quiz

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

prime numbers | has only 2 factors |

composite numbers | has more than 2 factors |

exponents/powers | 2 forth/2 x 2 x 2 x 2 |

integers-ordering | -6,-1,0,9,74,2 -6,-1,0,2,9,74 |

adding integers | neg+neg=a bigger neg neg+pos=subtract, take the sign of the bigger # pos+pos=a bigger pos |

subtracting integers | neg-neg=change to addition=a bigger neg neg-pos=change to addition=take the sign of the bigger # pos-pos=change to addition=a bigger pos |

multiplying integers | neg x neg=pos pos x pos=pos pos x neg=neg neg x pos=neg |

dividing integers | neg/neg=pos pos/pos=pos pos/neg=neg neg/pos=neg |

order of operations [pemdos] | 1. 55 / 5 x 2 2. 11 x 2 3. 22 |

algabra | language of symbols including variables |

algebraic exprestion | a combination of variables numbers and at least one operation |

evaluate | find the value of the algebraic expression |

variable | a symbol, usually a letter, used to represent a number |

a + 15 = 23;6,7,8 | a=8 |

35 = 45 -n;10,11,12 | n=10 |

6w = 30;5,6,7 | w=5 |

36 ./. s = 4;9,10,11 | s=9 |

j+7=13 | j=6 |

22 ./. y =2 | y=11 |

54 =6b | b=9 |