The general equation given for conics is in terms of the coefficients for the squares of "x" and "y", the coefficients for the lineal terms for them and the independent terms used to complete the square for x and y. This lesson has a set of videos that concentrate in the conceptual aspect of each one of the parameters of the equations for each one of the conics as you get them from transversal cuts of a right cone. While the lesson, does not provide opportunities for you to work problems on your own, you may interact with the videos by highlighting or circling the parameters and doing predictions on the graph itself of how they will change once the animation starts playing in the screen and how will be reflected in the graph. This may be done by using the MARKER TOOLS menu at the top of the screen.
All sections generated by performing transversal cuts to a right cone.
The geometric space that is equidistant from a line called the directrix and a point of a parpendicular to this calle the focus.
The abolute value sum of the distances from two fixed points called focii and a geometric space for which this sum remains constant.
The absolute value difference of two points called focii and a a geometric space for which this difference remains constant.
A geometric space that is equidistant from a point called center.
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