Assertion: ellipse's axis | /r/CapableOf | coincide with one of the coordinate axes
Facets:
Source sentences:
text: The equation of an ellipse can have other forms, but this one, with the center at the origin and the major axis coinciding with one of the coordinate axes, is the simplest.
text: The equation of an ellipse assumes its simplest form (i.e. its reduced canonical form) when its center is at the origin and its principal axis coincides with one of the coordinate axes.