Algebra-1

Point D is located in the complex coordinate system where the horizontal axis represents the real part (Re) and the vertical axis represents the imaginary part (Im). Given that the horizontal coordinate is 1 and the vertical coordinate is 9, we can evaluate the provided options:

1.2 - 7i: This represents the point (2, -7) in the complex plane, which does not match the specified coordinates.

2.6 - 3i: This represents the point (6, -3) in the complex plane, which also does not match the specified coordinates.

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