Assertion: ellipse's center | /r/HasProperty | foci
Facets:
value: in this system
type: LOCATION
Source sentences:
text: 16 y 2 − 32 y − 44 = 0 Center ( 1 , 1 ) , Vertices ( 5 , 1 ) , ( − 3 , 1 ) , ( 1 , 3 ) , ( 1 , − 1 ) , Foci ( 1 , 1 + 4 3 ) , ( 1 , 1 − 4 3 )
text: In this system, the center is the origin and the foci are and .