Question 2 [12 marks] The roots of the quadratic equation ax2+bx+c=0 are given by x=2abb24ac Based on the sign of the discriminant D (i.e. D=b24ac ), it is possible to discern the nature of the roots according to: - D>0: A pair of non-equal real valued roots. - D=0: A pair of equal real valued roots. - D