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# Math final 2012

### Vocab

Question | Answer |
---|---|

slope | rise over run |

slope intercept form | a linear equation in the form y=mx+b, m=slope and b= y-intercept |

y-intercept | the y coordinate of a point where a graph crosses the y-axis |

inequality | mathematical sentence that contains <,>,(not equal to),(less than or equal to), (greater than or equal to) |

null set | a set with no elements, shown by a circle with a line through it |

acute angle | an angle with a measure greater than 0 and less than 90 degrees |

congruent | line segments that have the same length, or angles that have the same measure, or figures that have the same size and shape |

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

irrational numbers | numbers that cannot be expressed as a over b where a and b are integers and b does not equal 0 |

isoceles triangle | a triangle with at least 2 congruent sides |

line segment | part of a line containing 2 end points and all the points between them |

obtuse triangle | a triangle with 1 obtuse angle |

perfect square | rational numbers whose square roots are whole numbers |

right angle | and angle that measures 90 degrees |

scalene triangle | a triangle with no congruent sides |

similar figures | figures that have the same shape but not the same size |

straight angle | an angle with a measure equal to 180 degrees |

vertex | vertex of a polygon is a point where 2 sides of the polygon intersect |

adjacent angles | 2 angles that have the same vertex, share a common side, and do not overlap |

altitude | a line segment that is perpendicular to the base of a figure with endpoints on the base and the side opposite the base |

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

circumference | the distance around a circle |

complementary | 2 angles where the sum of their measures is 90 degrees |

diameter | the distance across a circle through its center |

parallel lines | 2 lines in the same plane that do not intersect |

parallelogram | a quadrilateral with sides parallel and congruent |

perpendicular lines | lines that intersect to form a right angle |

quadrilateral | a closed figure with four sides and four vertices |

radius | the distance from the center to any point on the circle |

regular polygon | a polygon having all sides and angles congruent |

rhombus | a parallelogram with 4 congruent sides |

supplementary | 2 angles where the sum of their measures is 180 degrees |

transformation | a movement of a geometric figure |

trapezoid | a quadrilateral with one pair of parallel sides |

vertical angles | 2 pairs of opposite angles formed by 2 intersecting lines |

cone | a 3-dimensional figure with one circular base |

cylinder | a solid that has 2 parallel, congruent bases connected with a curved side |

edge | where 2 planes intersect in a line |

face | a flat surface, the side or base of a prism |

lateral area | the sum of the areas of the lateral faces of a solid |

polyhedron | a solid with flat surfaces that are polygons |

prism | a polyhedron that has 2 parallel, congruent bases in the shape of polygons |

pyramid | a polyhedron that has a polygon for a base and triangles for sides |

slant height | the length of the altitude of a lateral face of a regular pyramid or cone |

sphere | the set of all points in a space that are given a distance, r, from the center |

surface area | the sum of the areas of all the surfaces(faces) of a 3-dimensional figure |

volume | the measure of a space occupied by a solid region |

combination | an arrangement or listing where order is not important |

dependent events | 2 or more events in which the outcome of one event affects the outcome of the other events |

independent events | 2 or more events in which the outcome of one event does not affect the outcome of the other events |

interquartile range | UQ-LQ |

mutually exclusive events | 2 or more events that cannot happen at the same time |

permutation | an arrangement or listing in which order is important |

probability | the ratio of the number of ways a certain event can occur to the number of possible outcomes |

quartiles | the values that divide a set of data into 4 equal parts |

sample space | the set of all possible outcomes |

Created by:
jramirez11