Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# L1, 1-4

### Algebra 2

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

natural numbers | counting numbers |

whole numbers | counting numbers and 0 |

integers | positive integers, negative integers, & 0 |

rational numbers | quotients of integers (nonzero denominator), terminating decimal, repeating, |

irrational numbers | nonquotients of integers, nonterminating or repeating, if positive rational number isn't a perfect square |

real number | natural, whole, integer, rational, & irrational. not imaginary |

opposite/additive inverse | opposite value of number. b is -b. |

reciprocal/multiplicative inverse | the product of reciprocals is 1. b is 1/b |

closure property | a+b is a real number. ab is a real number |

commutative property | a+b = b+a. ab = ba |

Associative property | (a+b)+c = a(b+c).(ab)c = a(bc). |

Identity property | a+0=a, 0+a=aa*1=a, 1*a=a |

inverse property | a+(-a)=0a * 1/a =1, not 0 |

distributive property | a(b+c)=ab+ac |

absolute value | how far a number is from 0. |

variable | letter symbol for a number |

algebraic expression | expression with 1 or more variables |

variable expression | expression with 1 or more variables. |

evaluate | substitute numbers for variables and do order of operations. |

term | number, variable, or product of a number and one or more variables |

coefficient | number in a term |

subtraction | subtract |

division | divide |

dist. property for subtraction | dist. property and subtract |

multiplication by 0 | product is 0 |

multiplication by -1 | product is negative |

opposite of a sum | -(a+b)= -a+(-b) |

opposite of a difference | -(a-b)=b-a |

opposite of a product | -(ab)=-a*b |

opposite of an opposite | positive number |

solution of the equation | number that makes an equation true |

reflexive property | a=a |

Created by:
woodclay12