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Correct
Incorrect
1
Value of discriminant D =
$$b^2 - 4ac$$
2
If discriminant D<0
roots are complex conjugates of the form ' p+iq ' and 'p-iq'
3
If discriminant D=0
roots are real and equal such that $$x=−\frac{b}{2a}$$
4
If discriminant D>0 and D is not a perfect square
roots are conjugate surds of the form $$p+\sqrt{q}$$ and $$p-\sqrt{q}$$
5
If discriminant D>0 and D is a perfect square
roots are real, rational and unequal
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