question_answer

If one zero of the quadratic polynomial \[2{{x}^{2}}-(3k+1)x-9\]is negative of the other, find the value of 'k'.

A)  \[-\frac{1}{6}\]                

B)         3

C)  \[\frac{1}{4}\]                  

D)         \[-\frac{1}{3}\]