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# Math algebra 1 quiz

### vocab for math quiz

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

What is a variable? | a letter used to represent a number |

What is an expression? | an expression consists of numbers, variables, and operations. DO NOT HAVE AN EQUAL SIGN |

What is and algebraic expression? | an expression that includes at least one variable |

What is a power? | an expression that represents repeated multiplication of the same factor |

What is a base? | the number used in the repeated multiplication |

What is an exponent? | represents the number of times the base is used as a factor |

What is a rate? | a fraction that compares two quantities that are measured in different units |

<_ less than or equal to _> greater than or equal to | at most, more than at least, no less than |

What is a function? | a rule that establishes a relationship between two quantities, called the output and the input |

What is a matrix? | a rectangular arrangement of numbers in rows and columns. Dimensions written as (M) rows - (N) columns | |

What is an element? | each number in a matrix also called an entry |

What are terms? | parts of an expression that are added together. (ex. -7, 13x, 2x, 8) |

What is a coefficient? | The # part of a term with a variable part. (ex. -7x.............. coeff. = -7 |

What is a constant term? | a term that has a number but no variable part. (ex. 7, 6, 9) |

What are like terms? | terms that have the same variable parts (ex. 7x, -42x, 6x) |

What are reciprocals? | two nonzero numbers whose product is one (ex. 3/5 ~ 5/3) |

What is multiplicative inverse? | the reciprocal of an inverse |

What is a radicand? | the number or expression inside the radical symbol |

What are irrational numbers? | a number that can't be written as the quotient of two integers |

Created by:
maxon003