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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
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