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QUIZ

10th
-
12th
grade

Mathematics

71%

accuracy

381

plays

7 years

Mathematics

10th -

12thgrade

Operations of Complex Numbers

381
plays

10 questions

10 questions

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1. Multiple Choice
15 minutes
1 pt
Simplify:
(10 + 15i) - (48 - 30i)
58 - 45i
58 - 15i
- 38 - 15i
- 38 + 45i
2. Multiple Choice
15 minutes
1 pt
Find the sum.
(5 - 2i) + (- 7 + 8i)
- 2 + 6i
12 + 6i
- 35 - 16i²
- 35 -16i
3. Multiple Choice
15 minutes
1 pt
(1 - 3i)(2 + 5i)
22 - i
16 - i
17 - i
3 - 15i
4. Multiple Choice
15 minutes
1 pt
(3 + 8i)(- 2 - i)
2 - 19i
23 - i
34 + 5i
23 - i
5. Multiple Choice
15 minutes
1 pt
What does i² = ?
- 1
√- 1
1
- √1
6. Multiple Choice
15 minutes
1 pt
(10 + 3i) - (2 - 9i)
20 - 27i
12 - 7i
8 + 12i
20 - 27i²
7. Multiple Choice
15 minutes
1 pt
3i + 2i
5i
5i²
6i
-5
8. Multiple Choice
15 minutes
1 pt
(2i)(3i)
5i
- 5
6i
- 6
9. Multiple Choice
15 minutes
1 pt
(5 - 2i) + (- 7 + 8i)
- 2 + 6i
12 + 6i
- 35 - 16i²
- 35 -16i
10. Multiple Choice
15 minutes
1 pt
(10 + 3i) - (- 2 + 10i)
20 - 27i
12 - 7i
8 + 12i
20 - 27i²
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