State whether the following quadratic equations have two distinct real roots. Justify your answer.
x (1 - x) – 2 = 0
The equation x (1 - x) – 2 = 0 has no real roots.
Simplifying the above equation,
∴ x2 – x + 2 = 0
∴ D = b2 - 4ac
= (-1)2 - 4(1)(2)
= 1 - 8 < 0
Hence, the roots are imaginary.