Redirected from List of science fiction television
Aliens on Earth
Alien Invasion
Children's Series
Disaster and destruction
Life in the Future
Parallel Universes
Spaceship based
Superhumans
Space station based
Time travel based
Vehicle based
Anthologies
Misc
see also: science fiction television, science fiction sitcom, List of science fiction short stories
... two different solutions x, both of which are real. (Geometrically, this means that the parabola intersects the x-axis in two points.) If the discriminant is negative, ...