Perform the subtraction. Write the result in a + bi form. (-5 - 2i) - (-8 - 4i)
A) 3 + 2i
B) 3 - 6i
C) -3i
D) 5i

Name: Perform the subtraction. Write the result in a + bi form. (-5 - 2i) - (-8 - 4i) A) 3 + 2i B) 3 - 6i C) -3i D) 5i
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Question

Quizplus · Accepted Answer

To perform subtraction, we need to distribute the negative sign to the second complex number:

(-5 - 2i) - (-8 - 4i) = -5 - 2i + 8 + 4i

Now we can combine like terms:

= 3 + 2i

So the answer is choice A.

Perform the Subtraction