Assertion: ellipse's point | /r/AtLocation | such a way
Facets:
Source sentences:
text: An ellipse is a locus of a point which moves in such a way that its distance from a fixed point (focus) to its perpendicular distance from a fixed straight line (directrix) is constant.
text: A conic is any curve which is the locus of a point which moves in such a way that the ratio of its distance from a fixed point to its distance from a fixed line is constant.
text: A parabola is the locus of a point which moves in a plane in such a way that its distance from a fixed point of the plane and from a fixed line of the plane are equal.
text: An ellipse is a figure formed by a point which moves in the plane in such a way that the sum of its distances from two fixed points is constant.
text: A hyperbola is the locus of a point which moves in the plane in such a way that the absolute value of the difference of its distances from two fixed points in the plane is constant.
text: A hyperbola can also be defined as the locus of a point which moves in such a way that the ratio of its distance from a fixed point to its distance from a fixed line is a constant greater than one.