Question

select the correct answer.
subtract 8 + 7i from 4 - 16i.
a. 4 - 11i
b. 4 - 23i
c. 4 + 9i
d. -4 - 23i

Explanation:

Step1: Set up subtraction expression

$(4 - 16i) - (8 + 7i)$

Step2: Distribute the negative sign

$4 - 16i - 8 - 7i$

Step3: Combine real parts

$4 - 8 = -4$

Step4: Combine imaginary parts

$-16i - 7i = -23i$

Step5: Combine results

$-4 - 23i$

Answer:

D. -4 − 23i