Assertion: parabola's directrix | /r/HasProperty | parallel
Facets:
value: to the y-axis
type: TRANSITIVE-OBJECT
Source sentences:
text: The simplest equation of a parabola is y2 = x when the directrix is parallel to the y-axis.
text: In general, if the directrix is parallel to the y-axis in the standard equation of a parabola is given as:
text: If the parabola is sideways i.e., the directrix is parallel to x-axis, the standard equation of a parabole becomes,