Assertion: parabola's focus | /r/HasProperty | below the vertex
Facets:
value: by 3 units
type: OTHER
Source sentences:
text: I tried graphing the given points and found out the focus is below the vertex.
text: Since this is an downward facing parabola, we need to have the focus inside of the curve, meaning the focus is below the vertex.
text: The focus is directly below the vertex by 3 units; so p = -3; so 4p = -12; but not so fast!
text: Since the parabola is facing downward, the focus is below the vertex, and the directrix is above.