Answer
i) D
ii) F
iii) B
iv)E
v) A
vi) C
Work Step by Step
i) $3$ is D, $3$ units in the positive direction on the real axis
ii) $3i$ is F, $3$ units in the positive direction on the imaginary axis
iii) $4+2i$ is B, $4$ units in the positive direction on the real axis, $2$ units in the positive direction on the imaginary axis
iv)$2-2i$ is E, $2$ units in the positive direction on the real axis, $2$ units in the negative direction on the imaginary axis
v) $-3+3i$ is A, $3$ units in the negative direction on the real axis, $3$ units in the positive direction on the imaginary axis
vi) $-1-4i$ is C, $1$ unit in the negative direction on the real axis, $4$ units in the negative direction on the imaginary axis
