Assertion: parabola's graph | /r/HasProperty | tangent
Facets:
value: to the horizontal line
type: OTHER
Source sentences:
text: (1/2)(x + 2) 2 + 3 and check that the graph is tangent to the horizontal line y = 3 at x
text: The graphs are tangent if they have one point of intersection (case for one solution of a quadratic equation) if Δ = 0.