For the ellipse $\frac{x^2}{18}+\frac{y^2}{32}=1$,if a tangent with slope $-\frac{4}{3}$ intersects the major and minor axes at $P$ and $Q$ respectively. Find $P$ and $Q$.

  • A
    $P(0,8), Q(6,0)$
  • B
    $P(0,6), Q(8,0)$
  • C
    $P(3\sqrt{2}, 0), Q(0,4\sqrt{2})$
  • D
    $P(0,3\sqrt{2}), Q(4\sqrt{2}, 0)$

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