Complex Numbers Quiz

Quiz
•
Mathematics
•
7th Grade
•
Easy
RAAKESH KUMAR
Used 11+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of adding (3 + 2i) and (1 - 4i)?
4 + 2i
2 - 2i
4 - 2i
5 - 6i
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of subtracting (5 + 6i) from (8 - 3i)?
3 + 9i
11 - 9i
2 + 3i
13 - 9i
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the product of (2 + 3i) and (4 - 5i)?
20 + 15i
23 + 2i
10 - 8i
12 - 7i
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the product of (7 - 2i) and its conjugate?
5i
33
10i
14
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the quotient of (9 + 4i) divided by (2 - 3i)?
5 - 7i
3.5 + 2.5i
1.6923076923076923 + 1.1538461538461537i
10 - 12i
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the quotient of (6 - 5i) divided by its conjugate?
11i
30 - 25i
6 - 5i
1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Find the conjugate of the complex number (3 + 7i).
3 - 7i
3 + 7
7 - 3i
3 + 7i
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