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# Algebra Vocab Unit 1

### Algebra - Unit 1 Vocabulary - Expressions, Inequalities and Equations

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

Algerbraic Expression | An expression that includes at least one variable |

Factors | In a multiplication expression, the quantities (numbers and variables) being multiplied |

Product | The result of multiplication |

Base | The number or expression that is used as a factor in repeated multiplication |

Exponent | The number or variable that represents the number of times the base power is used |

Evalute an Algerbraic Expression | To find the value of an algebraic expression by substituting a number for each variable and performing the operation. |

Variable | A letter that is used to represent one or more numbers |

Power | An expression that represents repeated multiplication of the same factor |

Terms of an Expression | The parts of an expression that are added together |

Quantity | Something that serves as the object of an operation |

Order of Operation | Rules for evaluating an expression involving more than one operation |

Equations | A mathematical sentence formed by placing the symbol = between two expressions |

Inequality | A mathematical sentence formed by placing one of the symbols ≥ ≤ › ‹ |

Open Sentence | An equation or an equality that contains algerbraic expression |

Solution of the Equation or Inequality | A number that produces a true statement when substituted for the variable in an equation/ inequality |

Replacement Set | A set of numbers from which replacements for a varialbe may be chosen |

Solution Set | The set of all replacements for the variable in an open sentence that results in a true sentence |

Set | A collection of distinct objects |

Reciprocal | The multiplicative inverse of a number |

Coefficient | The number part of a term with a variable part |

Like Terms | Terms that have the same variable parts - Constant terms are also like terms |

Simplest Form | An expression is in the simplest form when it is replaced by an equivalent expression having no like terms and no parenthese |

Equivalent Expressions | Two expressions that have the same value for all values in the variable |

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tms lse