Subject	equation
Predicate	be used in
Object	real life
Modality	Modality Occurrences some[subj/quadratic] 1 some[subj/a quadratic] 1
Polarity	POSITIVE
Plausibility	0.7843
Neighborhood Sigma	0.7877
Local Sigma	0.8525
Example Sentences	Sentence Occurrences Source equations are used in real life 4 Google Autocomplete, Answers.com Questions quadratic equation is used in real life 1 Google Autocomplete a quadratic equation is used in real life 1 Google Autocomplete