The Duke was an NBC series with an unusual plot: an artistic boxer suddenly leaves the ring to open up a nightclub[?]. This summer show was run from July 2nd - September 10th, 1954, starring television newcomer Paul Gilbert as the creative boxer, Duke Zenlee.
... term b2 – 4ac is called the discriminant of the quadratic equation, because it discriminates between three qualitatively different cases:
If the discriminant is ...