Assertion: parabola's equation | /r/CapableOf | define parabola
Facets:
Source sentences:
text: If the equation Ax2 + By2 + Cx + Dy + F = 0 defines a parabola, then either A or B must be zero and the other coefficients must be nonzero.
text: The standard equation x = 4y 2 defines a parabola.