Where is each point located on the graph?–3 + 8i is on the horizontal axison the vertical axisin quadrant Iin quadrant II.

On the complex plane, the real part gives the horizontal coordinate and the imaginary part gives the vertical coordinate. For −3 + 8i, the point is (−3, 8): it is left of the vertical axis and above the horizontal axis. Therefore, it is in quadrant II, choice D.

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