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2. | A function whose rule contains absolute-value expressions. (2 Words) |

3. | The set of natural numbers and zero. (2 Words) |

4. | A quadratic function used to represent a set of data. (2 Words) |

5. | A symbol used to represent a quantity that can change. |

8. | The x-coordinate(s) of the point(s) where a graph intersects the x-axis. |

9. | The y-coordinate(s) of the point(s) where a graph intersects the y-axis. |

10. | The distance around a circle. |

11. | A circle with a radius of 1, centered at the origin. (2 Words) |

13. | A compund statement that uses the word or. |

14. | An element or number in the sequence. (2 Words) |

16. | The side opposite the right angle in a right triangle. |

19. | A polynomial with two terms. |

21. | An equation that is true for all values of the same rule. |