17
AssignmentMultiple Choice

Operations with Complex Numbers

Question 17 • Fall 24 GMS Advanced Algebra: Concepts and Connections A

Multiply and simplify the product.2i(4 – 5i) Select the product.

Answer
A
–2i
B
2i
C
–10 + 8i
D
10 + 8i

Explanation

Distribute 2i: 2i(4 − 5i) = 8i − 10i². Since i² = −1, this becomes 8i + 10, or 10 + 8i, which is choice D.

AI-written and checked against the verified answer.

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