Equation | _____ | | 1 | A relation in which each element of the input is paired with exactly 1 element of the output according to a specified value. |

Evaluate | _____ | | 2 | An expression of the form a/b. |

Equivalent Fraction | _____ | | 3 | A number that is not rational. |

Greatest Common Factor | _____ | | 4 | A mathematical sentence that contains <, >, =, <, >. |

Expression | _____ | | 5 | A mathematical phrase that can contain ordinary numbers, variables, and operators. |

Isosceles | _____ | | 6 | All sides of a figure are congruent. |

Fraction | _____ | | 7 | The greatest common factors of 2 or more numbers. |

Greater Than | _____ | | 8 | In a power, the number of times the base is used as a factor. |

Graph | _____ | | 9 | A diagram showing the prime factorization of a number. The factors branch out from the previous factors until all the factors are prime numbers. |

Factor Tree | _____ | | 10 | To find the value of an expression by replacing variables with numerals. |

Irrational number | _____ | | 11 | A number that divides into a whole number with a remainder of 0. |

Infinite | _____ | | 12 | Becoming larger beyond bound. |

Function | _____ | | 13 | A set of points (called vertices) and a set of lines (called edges) joining these vertices. |

Hypotenuse | _____ | | 14 | The side opposite the right angle in a right triangle. |

Equilateral | _____ | | 15 | A number larger than another number represented by the > symbol. |

Exponent | _____ | | 16 | A mathematical sentence that contains the equal sign. |

inequality | _____ | | 17 | 2 or more fractions with the same value. |

Factor | _____ | | 18 | An isosceles triangle has 2 congruent sides. |

Integer | _____ | | 19 | The whole numbers and their opposites. (-1, -2, -3, 0, 1, 2, 3) |

Factorial | _____ | | 20 | The expression n! is the product of all counting numbers beginning with n and counting backwards. |