Assertion: parabola's focus | /r/CapableOf | determine the distance
Facets:
value: by subtracting their y-coordinates
type: MANNER
value: between the point
type: LOCATION
Source sentences:
text: Distance between focus and vertex: Since both focus and vertex fall on the vertical line x = 4 determine the distance between the point by subtracting their y-coordinates and taking the absolute value.