Register
What is the product of (−7 + 4i) • (1 − 8i) A. −39 − 52i B. −39 + 60i C. 25 − 52i D. 25 + 60i
163k views
0 votes
What is the product of (−7 + 4i) • (1 − 8i)

A. −39 − 52i
B. −39 + 60i
C. 25 − 52i
D. 25 + 60i

User DB Prasad
by
8.2k points

1 Answer

1 vote
1. Expand the equation
−7 + 56i + 4i +32

2. Gather like terms
(−7 + 32) + (56i + 4i)

3. Simplify
25 + 60i

The correct answer would be D. 25 + 60i











User NGoline
by
8.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Link Copied!