Answer:
x² − 4x + 2 = 0 has two distinct real roots.
5x² − 2x + 3 = 0 has two complex roots.
2x² + x − 6 = 0 has two distinct real roots.
13x² − 4 = 0 has two distinct real roots.
x² − 6x + 9 = 0 has one repeated root.
x² − 8x + 16 = 0 has one repeated root.
4x² + 11 = 0 does NOT go on the graph.