About: http://webisa.webdatacommons.org/316657517

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	yes, i think this works, i.e. the answer would be \[\frac{x^2}{21}+\frac{y^2}{25}=1\]
http://www.w3.org/ns/prov#wasQuotedFrom	openstudy.com