Complex Numbers Quiz
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the imaginary unit 'i' equal to?
The square of -1
The square of 1
The square root of -1
The square root of 1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a complex number a + bi, what does 'a' represent?
The modulus
The coefficient of i
The real part
The imaginary part
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding complex numbers, what should you combine?
Like terms
Only imaginary parts
Real parts with imaginary parts
Only real parts
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding 2 + 3i and 5 + 7i?
7 + 10i
7 + 4i
3 + 10i
10 + 10i
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of subtracting 5 + 6i from 7 + 9i?
2 + 3i
12 + 15i
12 + 3i
2 + 15i
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying 2i by 5 + 7i?
10i + 14
-10 + 14i
-14 + 10i
10 + 14i
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is i^2 equal to?
0
i
-1
1
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