Decades: 2010s 2020s 2030s 2040s 2050s - 2060s - 2070s 2080s 2090s 2100s 2110s
Years: 2060 2061 2062[?] 2063[?] 2064[?] 2065[?] 2066 2067 2068[?] 2069[?]
... 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 different ...