
Complex Numbers and Their Properties

Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the inverse operation of multiplication?
Exponentiation
Division
Subtraction
Addition
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is division by zero considered undefined?
Because it cannot be meaningfully defined
Because it leads to infinite results
Because zero is an even number
Because zero is a prime number
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to a number when it is multiplied by zero?
It becomes infinite
It becomes undefined
It becomes zero
It remains the same
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of dividing a non-zero number by zero?
Zero
Infinity
The original number
Undefined
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In Cartesian form, what is the conjugate of a complex number z = x + iy?
-x - iy
x + iy
x - iy
-x + iy
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the modulus of a complex number change when taking its conjugate?
It becomes zero
It doubles
It halves
It remains the same
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the principal argument range for complex numbers?
-2π to 2π
-π to π
0 to 2π
0 to π
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