Adding, Subtracting, & Multiplying Complex Numbers

Quiz
•
Mathematics
•
12th Grade
•
Medium
Dr Frankenstein
Used 30+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Another way to express √-1 is?
1
-1
i
0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A complex number can be expressed as a + bi. What does a represent?
the real part of the complex number
the imaginary part of the complex number
depends on the sign of the number
the square root of the complex number
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The complex conjugate can be found by...
Changing the sign of both a and b
Changing the sign of a
Changing the sign of b
Switching the a and b values
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The complex conjugate of 4 + 3i is
3 + 4i
3 - 4i
4 - 3i
4 + 3i
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplify the expression:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplify the expression:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Simplify the expression:
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