Question

Discriminant of the quadratic equation 2x² + x – 8 = 0 is 

A) -65 

B) 65

C) -127 

D) -15

Answer 1

Correct option is (B) 65

Given quadratic equation is

\(2x^2+x-8=0\)

\(\therefore\) Discriminant \(=1^2-4\times2\times-8\)

= 1+64 = 65

Answer 2

Correct option is B) 65