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# Sol 8.4 Taylor

### Algebraic Expression parts

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

Algebraic Expressions | A collection of numbers, variables, and operators (with NO equals sign), packaged into a mathematical phrase. |

Substitute | To replace a variable for a specific value. |

Term | Each group of variables and numbers, separated by operators |

Coefficient | The numerical factor of a term. |

Variable | an unknown part of an equation, represented by a letter |

Constant | A term that does not contain a variable. |

Algebraic Expressions | 2a+5 is called________ |

Variable | The a in 2a is called______ |

coefficient | The 2 in 2a is called________ |

Term | 2a or x/6 or 7 or x These are all called ________ |

Constant | The 5 in 2a+5 is called_______ |

Equation | two things are equal. |

Evaluate | To calculate the value of. |

Operation/ operator | can be either addition, subtraction, division, or multiplication. |

positive number | A number that is greater than 0 |

negative number | A number that is less than 0 |

numerical expression | a collection of numbers and mathematical operators |

isolate | get the variable alone by performing inverse operations on both sides of the equation until it stands by itself. |

like terms | Terms with the same variable raised to the same power |

simplify | the most compact or efficient manner, without changing the value of the expression. |

solution | is any value of the variable that makes the equation true. |

inverse operations | The operation that reverses the effect of another operation. |

Created by:
pktaylor