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9th
-
12th
grade

Mathematics

67%

accuracy

880

plays

User image

Cristin Palumbo

6 years

Mathematics

9th -

12thgrade

Operations on Complex Numbers

user

Cristin Palumbo

880
plays

11 questions

11 questions

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1. Multiple Choice
1 minute
1 pt
What is the simplified form of (-9 + 5i) + (3 -2i)
-12 + 31i
-6 + 3i
-11 + 7i
5 - 3i
2. Multiple Choice
1 minute
1 pt
What is the simplifies form of (11 - 7i) - (-3 + 12i)
8 - 19i
8 + 5i
13- 19i
14 -19i
3. Multiple Choice
30 seconds
1 pt
What is the simplified form of (-6i)(3i)
-18
-18i
18
-18i²
4. Multiple Choice
1 minute
1 pt
What is the simplified form of (-3 + 2i)(1- 4i)
-2 - 2i
5 + 14i
-11 -10i
-3 -8i
5. Multiple Choice
30 seconds
1 pt
What is the simplified form of (8 -3i)²?
73
16 - 6i
55 + 48i
55 - 48i
6. 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
7. Multiple Choice
2 minutes
1 pt
3i(4 - i)
9i
-3 +12i
12 - 3i
3 + 12i
8. Multiple Choice
2 minutes
1 pt
Simplify (11 + 5i)(11 - 5i)
121 -110i
121 + 110i
146
121 - 25i²
9. Multiple Choice
2 minutes
1 pt
Simplify i³⁷
1
i
-i
-1
10. Multiple Choice
2 minutes
1 pt
Simplify i²⁴
i
1
-1
-i
11. Multiple Choice
2 minutes
1 pt
Simplify i⁴³
1
i
-i
-1
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