1. Perform the indicated operation, your final answer should be written in the form a+bi, are real numbers. A. (6+1li)-(9- Si) B. (12–31) +(7+9i) C. 8i(5–10i)
1. Perform the indicated operation, your final answer should be written in the form a+bi, are real numbers. A. (6+1li)-(9- Si) B. (12–31) +(7+9i) C. 8i(5–10i)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question
![1. Perform the indicated operation, your final answer should be written in the form a+bi , where a and b
are real numbers.
A. (6+1li)-(9- 5i)
В. (12-3/)+(7+ 9г)
C. 8i(5–10i)
ANSWER:
ANSWER:
ANSWER:
2. Linda was taking her Math 3 complex numbers quiz and multiplied the following problem:
(-4-3i)(2-7i). Her work is shown below. Determine her error(s) and explain why she solved it
incorrectly.
Linda's Work:
Explanation:
(-4–3i)(2– 71)
=(-4,2)+(-3i•-7i)
=-8+21i
3. Find the solution(s) to the quadratic equation 2x -2x+11=0. You must show work to support your
answer.
The Quadratic Formula
-b±yb? - 4ac
2a
Solution(s):](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f130e86-6daf-4bca-b209-37a2e397d634%2F780e1593-add8-441a-9730-3204780db9b2%2Fwgd0e4r_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. Perform the indicated operation, your final answer should be written in the form a+bi , where a and b
are real numbers.
A. (6+1li)-(9- 5i)
В. (12-3/)+(7+ 9г)
C. 8i(5–10i)
ANSWER:
ANSWER:
ANSWER:
2. Linda was taking her Math 3 complex numbers quiz and multiplied the following problem:
(-4-3i)(2-7i). Her work is shown below. Determine her error(s) and explain why she solved it
incorrectly.
Linda's Work:
Explanation:
(-4–3i)(2– 71)
=(-4,2)+(-3i•-7i)
=-8+21i
3. Find the solution(s) to the quadratic equation 2x -2x+11=0. You must show work to support your
answer.
The Quadratic Formula
-b±yb? - 4ac
2a
Solution(s):
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