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# 6 Weeks Test

### This is a StudyStack for the annual 6 Weeks Math Test

What are real numbers? | All numbers on the number line, including irrational numbers |

What are rational numbers? | Ratios of integers or fractions that either terminate or repeat |

What are natural numbers? | Counting numbers |

What are whole numbers? | Counting numbers and zero |

What are integers? | Whole numbers and their negatives? |

What are irrational numbers? | Numbers that cannot be written as a fraction (repeating decimals, PI, or the square root of 2) |

How are rational numbers expressed in decimal form? | TOP/BOTTOM |

How are irrational numbers expressed in decimal form? | YOU THOUGHT! You can't do this! |

How are fractions changed to decimals? | TOP/BOTTOM |

What is an exponent? | An exponent is a number that signifies the how many times a number is multiplied by the base |

What is a radical sign? | ( \|-----) This indicates the square root |

What is a perfect square? | A number that is multiplied by itself (A whole number) |

What is the square root of a number that is not a perfect square? | A decimal |

What does it mean to cube a number? | A number multiplied by itself, three times |

What is cube root? | A number that is divided by itself three times |

What is the symbol for A) square root B) a cube root C) is approximately to? | A= \|``````` B=x (2) C) ~ ~ |

List the first 15 perfect squares? | 1 , 4 , 9 , 16 , 25 , 36 , 49 , 64 , 81 , 100 , 121 , 144 , 169 , 196 , 225 |

Name the first perfect cubes | 1, 8, 27, 64, 125, 216, 343, 512, 729, 1000 |

How are the sides of a right triangle labeled? | The legs- a&b |

What is the Pythagorean Theorum? | The sum of the square of the legs of the right triangle square of the hypotenuse |

What is the converse of the Pythagorean Theorum? | How to prove if it is a right triangle |

What type of number(s) is the \|``6``` | Real, irrational |

What kind of number is 10/2 | Integer, rational,real, national, and whole |

4-(the negative 2nd power.) | 1/16 |