### Figuras conicas en ingles

Figuras conicas en ingles gy Lube8E 110RúpR 17, 2011 3 pagos Conic section Any curve made by the intersection of a plane and a right circular cone. The intersection can be an ellipse, hyperbola, circumference or a parabola depending on the angle of the plane relative to the cone. * parabola * Open curve made by the intersection of a cone and a plane parallel to an element of the cone. It may be defined as a path of a point moving, so that its distance from a fixed line is equal to its distance of a fixed point. Its vertex is the point on the curve that is closest to the directrix (fixed line). e vertex and the focus fixed point) determine a line, perpendicular to the directrix that is the axis of the parabola. The line through the focus parallel to the directrix is the latus rectum. Is s mmetric about its axis, moves to nex: page farther from the axis from the vertex. * Circumference * Is the length of ors to View nut*ge n the direction away n of the sphere with any plane passing through its center. * Hyperbola * Is a curve formed by the

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intersection of a right circular cone and a plane. When the plane cuts both nappes of the cone, the intersection is a hyperbola.

Because the plane is cutting two nappes, the curve i t forms has two U-shaped branches opening in opposite directions. * Is defined by two points, each called a focus. (Fl, F2 above). If you take any point on the ellipse, the sum of the distances to the focus points is constant. In the figure above, drag the point on the ellipse around and see that while the distances to the focus points Vary, their sum is constant. The size of the ellipse is determined by the sum of these two distances. The sum of these distances is equal to the length ofthe major axis (the longest diameter of the ellipse) * Straight Line Basic element of Euclidean geometry.

Euclid defined a ine as an interval between two points and claimed it could be extended indefinitely in either direction. Such an extension in both directions is now thought of as a line, while Euclid’s original definition is considered a line segment. Works Cited: * Swokowski, Earl and Jeffery Cole. Álgebra y trigonometría con geometría analltica. Colombia: Thomson learning, 2005. Printed. * «conic section. » Encyclopadia Britannica. Encyclopadia Britannica Online Academic Edition. Encyclopadia gritannica, 2011. web. 28 Aug. 2011. -wwn. bntanmca. corn . millenium. itesm. mx/EBchecked/topic/132684/ conic-section;. parabola. » Encyclopadia Britannica. Encyclop <http://0-wvww. britannica. com. millenium. itesm. mx/EBchecked /topic/132684/conic-section>. «parabola. » Britannica. Britannica Online Academic Edition. Encyclop&dia Brltannlca, 2011. Web. 28 Aug. 2011. <http://o-www. britannica. com. millenium. itesm. mx /EBchecked/topic/442379/parabola> * Moulton, J. Paul. «Hyperbola. » The Gale Encyclopedia of Science. Ed. K. Lee Lerner and Brenda Wilmoth Lerner. 3rd ed. vol. 3. Detroit: Gale, 2004. 2069-2072. Gale Virtual Reference Library. Web. 28 Aug. 2011. <http://0-go. galegroup. com amp;v=2. Miller, Charles David. Mathematical Ideas. Boston: Pearson/ Addison Wesley, 2008_ print. * «Ellipse – Math Word Definition- Math Open Reference. » Table of Contents – Math Open Reference. Web. 28 Aug. 2011. <http://www. mathopenref. com/ellipse. html>. * «Line (mathematics) Britannica Online Encyclopedia. » Encyclopedia – Britannica Online Encyclopedia. Web. 28 Aug. 2011. < http://www. britannica. com/EBchecked/topic/34196111ine>. Vázquez, Sánchez Agustin. , Castillo Juan De. Santiago, and Brito Javier Enríquez. Analytic Geometry. México: Pearson Educación, 2009. print. 31_1f3