Across |

2. | a number which when multiplied by itself forms a product. |

4. | the number whose positive square root is a whole number. |

7. | the numbers that can be expressed in the form a/b, where a and b are both integers and b is not equal to 0 |

12. | the first value in an ordered pair, which indicates the move right or left. |

13. | a letter or symbol used to represent a value that can change. |

15. | the number that tells how many times the base is used as a factor. |

17. | numbers which are the same distance from zero on the number line, but on opposites sides of zero. |

18. | perpendicular number lines |

19. | an expression that may contain variables, constants and operations. |

21. | the value generated for y in an equation. |

22. | an expresssion that may contain only constants and operations. |

23. | rules specifying which operations in an expression should be performed. |

24. | one of the four areas defined by the axes of the coordinate plane |

26. | the horizontal component and vertical component of a point. |

28. | the counting numbers:1,2,3....... |

29. | numbers that cannot be expressed in the form a/b including square roots of whole numbers that are not perfect squares and nonterminating decimals that do not repeat |

30. | terms that contain the same variables raised to the same powers. |

34. | the distance of a number from zero on the number line. |

35. | the point of intersection of each 0 on two perpendicular number lines. |

36. | an expression written with an exponent and a base or the value of such an expression. |

37. | the vertical number line. |

38. | the parts of an expression to be added or subtracted. |