Decades: 1190s BC 1180s BC 1170s BC 1160s BC 1150s BC - 1140s BC - 1130s BC 1120s BC 1110s BC 1100s BC 1090s BC
Significant People
... x, both 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 ...