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# Math 8 Vocabulary

### Vocabulary Mixed Review

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

ratio | the comparison of two values |

proportion | mathematical sentence in which two ratios are set equal to each other |

similar | in proportion |

variable | letter used to represent an unknown value |

exponent | number used to show how many times another number (base) is used to multiply by itself |

coefficient | integer or rational number that is multiplied by a variable |

monomial | number, a variable, or the product of a number and one or more variables |

polynomial | algebraic expression that is the sum or difference of terms |

absolute value | number of units (distance) from zero |

congruent | equal measures |

vertical angles | two non-adjacent angles formed from two intersecting lines, are opposite each other across a common vertex, are congruent to each other |

corresponding angles | a pair of non-adjacent angles, on the same side of the transversal line and in the same position (above or below) their parallel line |

alternate interior angles | a pair of non-adjacent angles, both inside a pair of parallel lines and on opposite sides of the transversal line, are congruent to each other |

complementary angles | two angles whose measures have a sum equal to 90 degrees |

supplementary angles | two angles whose measures have a sum equal to 180 degrees |

multiplicative inverse | reciprocal of a number |

quadrant | one-fourth of the coordinate plane |

x-axis | horizontal number line in coordinate plane |

y-axis | vertical number line in coordinate plane |

domain | input or x values |

range | output or y values |

translation | slide of a figure |

rotation | turn of a figure |

reflection | flip of a figure, produces a mirror image |

dilation | enlargement or shrinking of a figure |

Created by:
jslowinski