
Adding and Subtracting Complex Numbers Explained

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

Emma Peterson
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two parts of a complex number?
Imaginary and Rational
Real and Rational
Real and Imaginary
Rational and Irrational
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the expression 5i + 8i, what is the result?
13
5i
8i
13i
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When combining 5 + 2 - 3i, what is the correct result?
7 - 3i
7 + 3i
5 - 3i
2 - 3i
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you do when you have a negative sign outside parentheses?
Ignore it
Distribute it
Add it
Subtract it
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of 6i - 2 - 2i + 4i?
8i - 2
10i - 2
4i - 2
6i - 2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How should complex numbers be written?
With real and imaginary parts combined
Imaginary part first
Real part first
In any order
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of combining -5 + 4 and -11 + i?
-9 - 10i
-9 + 10i
-1 + 10i
-1 - 10i
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