Assertion: parabola | /r/HasAspect | root
Facets:
value: for b values
type: PURPOSE
value: for -2
type: OTHER
Source sentences:
text: For b values inbetween -2 and 2 the parabola has no roots.
text: the parabola will either have 2 roots (it crosses the x-axis twice), 1 repeating root (the parabola meets the x-axis at a single point), or no real roots (the parabola doesn't meet the x-axis at all)
text: For b values greater than 2 or smaller than -2, the parabola has two roots.
text: For b values 2 and -2 the parabola has only one root.