Complex Numbers and Operations
Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Practice Problem
•
Medium
Thomas White
Used 1+ times
FREE Resource
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the form of a complex number?
a * bi
a + bi
a - bi
a / bi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a real number?
3i
i
-5
2i
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does 'i' represent in complex numbers?
Square root of 2
Square root of -1
Square root of 0
Square root of 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of i squared?
-1
1
0
i
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an imaginary number?
5
-2
7.2
3i
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can the square root of -64 be expressed?
8
8i
-8
-8i
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of 3i squared?
9
-3
-9
3
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