# Algebra 1-2 to 1-4

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2017-09-22 03:32

## Section 1

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

Like terms | terms that contain the same variables, with corresponding variables having the same exponent |

simplest form | replaced by an equivalent expression having no like terms or parentheses |

coefficient | numerical factor of a term |

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

Symmetric property of equiality | for ant number a=b+c then c+b=a |

## Section 2

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

equivalent expressions | that denote the same value for all values of variables |

additive identity | for any number a, a+0=0+a+a |

multiplicative identity | ax1=1xa |

multi. inverse | 2 numbers with a product of 1 |

reciprical | the multi. inverse of a number |

Reflexive prop | a=A |

symmetric prop | a=b b=a |

transitive prop | a=b b=c then a=c |

subtitution | a=b then a may be replaced by b in an expression |

multiplicative prop of 0 | any number times 0 = 0 |

communitive | a+b=b+a |

associative | (a+b)+c=a+(b+c) |

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