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# Algebra A Ch 1

### Stepp's Algebra A Glencoe Ch 1 The Language of Algebra

term | definition |
---|---|

Algebraic Expression | expression with one or more numbers and variables and one or more operations |

coefficient | the number in front of a variable |

factors | quantities being multiplied |

product | the result of multiplying |

quotient | the result of dividing |

equation | mathematical sentence containing an equals sign |

numerical expression | contains a combination of numbers and one or more operations (no variables) |

order of operations | must be followed to get the correct answer |

properties | statements that are true for any number |

evaluate | replace the variables with known values and compute the answer |

additive identity property | adding zero does not change any number |

multiplicative identity property | multiplying by one does not change any number |

multiplicative property of zeo | anything times zero is zero |

commutative property of addition | it is O.K. to switch the order when adding |

associative property of addition | it is O.K. to switch the way parentheses goup numbers that are being added |

simplify | perform as many of the calculations as you can |

associative property of multiplication | the way three numbers are grouped with parentheses does not affect the answer |

closure property of whole numberfs | sums or products of whole numbers always make answers that are whole numbers |

counterexample | a case that shows a statement is not true |

whole numbers | 0,1,2,3,4,5,.... |

distributive property | is used to simplify expressions by getting rid of the parentheses |

coefficient | the numerical part of a term (the number in front of the variables) |

Like terms | terms that have the exact same variables and powers |

term | a number, a variable, or a product or quotient of numbers and variables |

equivalent expressions | have the same value |

simplest form | an expression that has no parenthesis and no like terms |

formula | an equation that states the relationships between variables |

data | information gathered for statistical purposes |

sampling | a method for gathering data to represent a population |

population | all the members of a certain group |

frequency table | a method of organizing data in a table with tally marks |

sample | a group that is smaller than and represents the whole population |

Created by:
criswell216