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# mhphall prealgebra

### Chapter 8 Vocabulary

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

What is a domain? | A domain is the first coordinate of a relation. |

What is a function? | A function is having each member of the domain paired with exactly one member of the range. |

What is function notation? | Using f(x) instead of y. |

What is function rule? | A function rule is an equation that describes a function. |

What is a linear equation? | A linear equation is any equation whose graph is a line. |

What is a linear inequality? | A linear inequality is not equal, it is less than, greater than, greater than or equal to, or less than or equal to. |

What is a negative correlation? | A negative correlation is a decrease in a set of values as one set of values increases. |

What is no correlation? | No correlation values show no relationship to each other. |

What is positive correlation? | Positive correlation is both sets of values increasing. |

What is range? | Range is the second coordinate in an ordered pair. |

What is relation? | Relation is the data in a table (set of ordered pairs). |

What is a scatter plot? | A scatter plot is a graph that shows the relationship between two sets of data. |

What is slope? | Slope is a ratio that describes the tilt of a line on a graph. |

What is slope-intercept form? | The equation y = mx + b. |

What is a solution? | An ordered pair that makes an equation a true statement. |

What is a trend line? | A trend line on a scatter plot closely fits the data points in a scatter plot. |

What is the y-intercept? | The y-intercept of the line is the point where the line crosses the y-axis. |

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magcota