Find sum of the pair of complex numbers.
--9i, -4i
A) -13i
B) -9 - 4i
C) -4 - 9i
D) -13

Name: Find sum of the pair of complex numbers. --9i, -4i A) -13i B) -9 - 4i C) -4 - 9i D) -13
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Question

Quizplus · Accepted Answer

The sum of two complex numbers is found by adding their real parts and their imaginary parts separately. Since both -9i and -4i have no real parts and their imaginary parts are -9i and -4i respectively, their sum is (-9i) + (-4i) = -13i.

Find Sum of the Pair of Complex Numbers