If $-2$ is a zero of the polynomial $3 x^{2}+4 x+2 k$ then find the value of $k$.

$x=-2$ is one zero of the polynomial $3 x^{2}+4 x+2 k$

Therefore, it will satisfy the above polynomial.

Now, we have

$3(-2)^{2}+4(-2) 1+2 k=0$

$\Rightarrow 12-8+2 k=0$

$\Rightarrow \mathrm{k}=-2$