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# Pre-Algebra Ch. 3

Term | Definition |
---|---|

area | the measure of the surface enclosed by a geometric figure |

arithmetic sequence | a sequence in which the difference between any two consecutive terms is the same |

coefficient | the numerical part of a term that contains a variable |

common difference | the difference between any two consecutive terms in an arithmetic sequence |

constant | a term without a variable |

equivalent equations | two or more equations with the same solution |

equivalent expressions | expressions that have the same variable |

formula | an equation that shows a relationship among certain quantities |

inverse operations | operations that undo each other (addition/subtraction & multiplication /division) |

like terms | expressions that contain the same variables to the same power such as 2n and 5n or 6xy^2 and 4xy^2 |

perimeter | the distance around a geometric figure |

sequence | an ordered pair of numbers such as 0, 1, 2, 3, 4, .... or 2, 4, 6, 8,.... |

simplest form | when an algebraic expression has no like terms and no parentheses |

simplifying the expression | to use the distributive property to combine like terms |

term | each number within a sequence is called a term |

two-step equation | an equation that contains two operations |

Created by:
Miss Brinkoetter