Assertion: ellipse | /r/HasProperty | described by equation
Facets:
value: in some cartesian system of coordinates
type: LOCATION
value: in the form
type: OTHER
Source sentences:
text: Recognize that an ellipse described by an equation in the form a x 2 + b y 2 + c
text: Ellipse is a planar curve which in some Cartesian system of coordinates is described by the equation