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# Solving Equations

### Ch. 9-1, 9-2, 9-4, 9-5, 9-6, 9-7

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

Distributive Property | combines addition and multiplication 2(7+4)=2x7+2x4 |

Commutative Property | order in which numbers are added or multiplied does not change the sum or product 4+3=3+4 |

Associative Property | the way numbers are grouped when added or multiplied does not change the sum or product (3+4)+5=3+(4+5) |

Additive Identity | the sum of any number and 0 is the number 8+0=8 |

Multiplicative Identity | the product of any number and 1 is the number 7x1=7 |

Inverse Operations | undo each other, for example 1) to solve an addition equation, use subtraction 2) to solve a multiplication equation, use division |

Subtraction Property of Equality | solve an equation by subtracting the same number from each side |

Addition Property of Equality | solve an equation by adding the same number to each side |

Two-Step Equations | to solve, work backwards using the reverse of the order of operations |

Function Rule | describes the relationship between each input and output |

Function Table | used to oraganize results |

Coefficient | Numerical factor of a term that contains a variable |

Function | a relation where each element of the input is paired with exactly one element of the output according to a specific rule |

Created by:
Mills, Susan