Chapter 8 -- Algebra II
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14 terms
Terms | Definitions |
|---|---|
 the point from which all points on a circle are equidistant | center of a circle |
| the point at which the major axis and the minor axis intersect | center of an ellipse |
| the set of all points in a plane that equidistant from a given point center | circle |
| any figure obtained by slicing a double cone | conic section |
| given line; all points from this line to the focus create a parabola | directrix |
| distance between two points, (x,y) and (x2,y2) | Distance formula |
| the set of all points in a plane such that the sum of the distances from two given points in the plane called foci is constant | ellipse |
| two given points in the plane of an ellipse | foci of an ellipse |
| given point in a parabola | foci of a parabola |
| line segment through the focus of a parabola and perpendicular to the axis of symmetry | lactus rectum |
| the longer of the two line segments that form the axis of symmetry of an ellipse | major axis |
| the shorter of the two line segments that form the axis of symmetry of an ellipse | minor axis |
| the set of all points in a plane that are the same distance from a give point called the focus and a given line called the directrix | parabola |
| a line that intersects a circle at exactly one point | tangent |
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