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# Algebra 1 Chapter 2

### McDougal Littell

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

A line that pictures real numbers as points | Real Number Line |

The set of numbers consisting of the positive numbers, the negative numbers, and zero. | Real Numbers |

The point labeled zero on a number line. | Origin |

Any of the numbers less than zero. | Negative Numbers |

Any of the numbers greater than zero. | Positive Numbers |

Any of the numbers.. -3,-2,-1,0,1,2,3.... | Integers |

The point that corresponds to a number. | Graph of a number |

Drawing a the point on a number line that corresponds to a number. | Plotting a point |

Two points on a number lines that are the same distance from the origin but are on opposite sides of it. | Opposites |

The distance between the origin and the point representing the real number. | Aboslute Value |

The speed and direction in which an object is traveling (up is positive and down is negative). The speed of an object is the absolute value of its velocity. | Velocity |

An example used to show that a given statement is false. | Counterexample |

The parts that are added in an expression. | Terms of an expression |

A rectangular arrangment of numbers into horizontal rows and vertical columns. | Matrix |

Each number in the matrix. | Entry, or element, of a matrix |

The product of a and (b+c) | Distributive Property |

A number multiplied by a variable in a term. | Coefficent |

Terms that have the same variable raised to the same power. | Like Terms |

Terms with no variable factors. | Constant Terms |

An expression in simplified if it has no symbol of grouping and if all the like terms have been combined. | Simplified Expression |

If a/b is a nonzero number, then its reciprocal is b/a. | Reciprocal |

A measure of the likelihood that the event will occur due to chance. | Probability of an Event |

The different possible results of a proablity experiment. | Outcomes |

A type of probablity that is based on the number of favorable outcome divided by the total numbers of outcomes. | Theoretical Probabilty |

The outcomes for a particular event that are being considered. | Favorable Outcomes |

A probabilty that is based on repetitions of an actual experiment. | Experimental Probability |

The ratio of the number of ways an event can occur to the number of ways the event cannot occur. | Odds |

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dhmahlman