Add or subtract the complex numbers
-$7 i+(-5-i)$
A) $-5+6 i$
B) $5-6 i$
C) $-5+8 \mathrm{i}$
D) 5 - $8 \mathrm{i}$

Name: Add or subtract the complex numbers -$7 i+(-5-i)$ A) $-5+6 i$ B) $5-6 i$ C) $-5+8 \mathrm{i}$ D) 5 - $8 \mathrm{i}$
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Question

Quizplus · Accepted Answer

To add or subtract complex numbers, you combine the real parts and the imaginary parts separately. Here, there are no real parts to combine, so you only combine the imaginary parts: $7i + (-i) = 6i$. The real part is $-5$, making the answer $-5 + 6i$.

Add or Subtract the Complex Numbers - 7i+(−5−i)7 i+(-5-i)7i+(−5−i) A) −5+6i-5+6 i−5+6i

Add or Subtract the Complex Numbers
- $7 i+(-5-i)$ A) $-5+6 i$