May Department Stores, Mary Livingstone[?] was working as a lingerie salesgirl here when she met her future husband Jack Benny. Later, the department store was used as a setting in his radio and television shows.
Sears & Roebuck[?], later Sears[?], its first mail order catalogs caused prices to drop all over the country, leading to their being called "the great price maker"
... of which are real. (Geometrically, this means that the parabola intersects the x-axis in two points.)
If the discriminant is negative, then there are two differe ...