Build your own quiz

Browse from millions of quizzes

QUIZ

10th
-
12th
grade

Mathematics

69%

accuracy

1K

plays

User image

Albert Falkenberg

4 years

Mathematics

10th -

12thgrade

Complex Number Operations

user

Albert Falkenberg

1K
plays

10 questions

10 questions

Show Answers

See Preview

1. Multiple Choice
2 minutes
1 pt
What does i² = ?
-1
√-1
1
-√1
2. Multiple Choice
2 minutes
1 pt
Find the sum.
(5-2i) + (-7+8i)
-2+6i
12+6i
-35-16i²
-35 -16i
3. Multiple Choice
2 minutes
1 pt
The product of (3 -2i) and (7+6i) is
21 - 12i
9 + 4i
33 + 4i
21 + 16i
4. Multiple Choice
2 minutes
1 pt
(7 - 5i)(7 + 5i)
74
24
49 - 25i
49 + 25i
5. Multiple Choice
3 minutes
1 pt
Simplify 3i + 2i
5i
5i²
6i
-5
6. Multiple Choice
3 minutes
1 pt
Simplify i²³
i
-1
1
-i
7. Multiple Choice
2 minutes
1 pt
What is the simplified form of (-9 + 5i) + (3 -2i)
-12 + 31i
-6 + 3i
-11 + 7i
5 - 3i
8. Multiple Choice
2 minutes
1 pt
What is the simplified form of the above?
7/10 + 11/10 i
13/10 +1/10 i
5/4 - 3/2i
7/10 - 11/10 i
9. Multiple Choice
15 minutes
1 pt
Simplify.
-5i
5
5i
-5
10. Multiple Choice
3 minutes
1 pt
10
-10
10i
-10i
Answer choices
Tags
Answer choices
Tags
Explore all questions with a free account
Already have an account?