Question

Tali and Malik are playing a game with complex numbers. If Tali has a score of 8 – 4i and Malik has a score of 7 + 5i, what is their total score?

1 – i
1 + i
15 + i
15 – i

Answer 1

The answer is C. 15 + i

Answer 2

Answer: 15+1i

Explanation:

They asking to find the total score. To find the total score, we must add Tali's score with Malik's score together.

(8-4i)+(7+5i)

Combine like terms

(8+7)+(5i-4i)

Simplify

15+1i