If one of the roots of the equation $3x^{2} + 2kx - 3 = 0$ is $-\frac{1}{2}$,then find the value of $k$.

  • A
    $\frac{12}{4}$
  • B
    $-\frac{9}{4}$
  • C
    $-\frac{9}{3}$
  • D
    $-\frac{7}{5}$

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