- Choice D
The complex plane is shown below.

With the coordinates A (-4, 3i), C(2, 6i), the distance between A and C is simply $$b=\sqrt{BC^2+AB^2}=\sqrt{3^2+6^2}=\sqrt{45}$$## Skills you are tested for:

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- Choice D
The complex plane is shown below.

With the coordinates A (-4, 3i), C(2, 6i), the distance between A and C is simply $$b=\sqrt{BC^2+AB^2}=\sqrt{3^2+6^2}=\sqrt{45}$$## Skills you are tested for:

Was this explanation helpful?

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