Question

The discriminant (∆) of the quadratic equation 3x²+2x-9=0is______​

Answer 1

Answer:

The quadratic equation is −3x

2

+2x−8=0

Comparing it with ax

2

+bx+c=0 we get, a=−3,b=2,c=−8

Therefore, D=b

2

−4ac

2

2

−4×(−3)×(−8)

=4−96

=−92