
Exploring Operations with Complex Numbers

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard
Standards-aligned

Ethan Morris
FREE Resource
Standards-aligned
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of i squared?
i
-1
-i
1
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding complex numbers, what should you do with the parentheses?
Multiply them
Keep them
Divide them
Remove them
Tags
CCSS.HSN.CN.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of (3 + 4i) + (-2i + 5i)?
7 + 9i
7 + 3i
3 + 7i
3 + 3i
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you handle i squared when it appears in a multiplication problem?
Replace it with -1
Replace it with 1
Ignore it
Replace it with i
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of 5i * (4 + 3i)?
20i + 15i
20i + 15
20i - 15
20i + 15i^2
Tags
CCSS.HSN.CN.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in multiplying two binomials involving complex numbers?
Add the real parts
Distribute the negative
Add the imaginary parts
FOIL method
Tags
CCSS.HSN.CN.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of (3 + 2i) * (2 + 2i)?
6 + 8i + 4i^2
6 + 4i + 4i^2
6 + 4i - 4
6 + 8i - 4
Tags
CCSS.HSN.CN.C.8
Create a free account and access millions of resources
Similar Resources on Wayground
11 questions
Complex Numbers and Operations

Interactive video
•
9th - 12th Grade
11 questions
Exploring the World of Imaginary Numbers

Interactive video
•
8th - 12th Grade
11 questions
Adding and Subtracting Complex Numbers Explained

Interactive video
•
8th - 12th Grade
11 questions
Operations with Complex Numbers

Interactive video
•
8th - 12th Grade
11 questions
Complex Numbers and Their Operations

Interactive video
•
9th - 12th Grade
11 questions
Exploring Imaginary Numbers

Interactive video
•
8th - 12th Grade
6 questions
Complex Numbers and Their Operations

Interactive video
•
9th - 12th Grade
11 questions
Understanding Square Roots of Negative Numbers

Interactive video
•
8th - 12th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade