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# SiglerSemRev

### Review of Semester One

Review of Semester One | |
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rational number | any number that can be written as a ratio of two integers |

relatively prime | two numbers are relatively prime if their greatest common factor is 1. |

LCD | the least common multiple of two or more denominators |

domain | the set of all possible input values of a function |

vertical line test | if a vertical line intersects the graph of a relation at exactly one point, then the relation is a function. |

range | the set of all possible values of a function |

function | an input output relation where each input has exactly one output |

base | when a number is raised to a power, the number that is used as a factor is the base |

exponent | the number that indicates how many times the base is used as a factor |

exponential form | a number is written as a base with an exponent |

power | a number produced by raising a base to an exponent |

scientific notation | a method of writing very large or small numbers using powers of ten |

perfect square | a square of a whole number |

square root | one of two equal factors of a number |

principal square root | the nonnegative square root of a number |

density property | between any two real numbers, there is always another real number |

irrational number | a number that cannot be expressed as a ratio of two integers |

real number | a rational or irrational number |

hypotenuse | in a right triangle, the side opposite the right angle |

leg | in a right triangle, the sides that include the right angle |

Pythagorean Theorem | in a right triangle, the hypotenuse squared is equal to the sum of th legs squared...a squared plus b squared equals c squared |

percent change | the amount stated as a percent that a number increases or decreases |

percent decrease | a percent change indicating a decrease in quantity |

percent increase | a percent change indicating an increase in quantity |

commission | the fee paid to a person making a sale |

commission rate | the fee paid to a person expressed as a percent of the selling price |

interest | the amount of money charged for borrowing or savin money |

principal | the initial amount of money borrowed or saved |

rate of interest | the percent charged or earned on an amount of money |

simple interest | I=prt, Interest=principal times rate times time |

area | the number of square units needed to cover a surface |

perimeter | the distance around a polygon |

circle | the set of all points in a plane that are the same distance from the center |

circumference | the distance around a circle |

diameter | the line that passes through the center of the circle and has endpoints on the circle |

radius | the line from the center of the circle to a point on the circle |

base | the shape used to classify a figure |

cone | a 3d shape that has one vertex and one circular base |

cylinder | a 3d shape that has two parallel congruent circular bases |

edge | where two faces meet |

face | a flat surface of a 3d figure |

prism | two congruent polygon shaped bases with parallelograms on the sides |

pyramid | one base that is a polygon and remaining faces are triangles |

vertex | where a figure comes to a point |

Created by:
mrssigler