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QUIZ

9th
-
12th
grade

Mathematics

78%

accuracy

92

plays

User image

4 years

Mathematics

9th -

12thgrade

Imaginary Numbers practice

user

92
plays

10 questions

10 questions

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1. Multiple Choice
3 minutes
1 pt
Simplify:
3 + 2i + 4i + 6
9 + 6i
7i + 8
9 + 6i²
9 - 6i
2. Multiple Choice
3 minutes
1 pt
Simplify:
4 + 7i - 3 - 2i
1 + 5i
7 + 9i
1 + 9i
-1 + 5i
3. Multiple Choice
3 minutes
1 pt
Simplify:
-3i(4 + 2i)
6 - 12i
6 + 12i
-12i - 6i²
-12i + 6i²
4. Multiple Choice
3 minutes
1 pt
Simplify:
(2 - 3i)(5 + 4i)
22 - 7i
22 + 7i
22 - 7i²
22 + 7i²
5. Multiple Choice
3 minutes
1 pt
$2-\sqrt{-9}$
2-3i
2+3= 5
2+3i
2 - 3= -1
6. Multiple Choice
3 minutes
1 pt
What is the value of i²?
-1
1
i
-i
7. Multiple Choice
3 minutes
1 pt
7
-7
7i
-7i
8. Multiple Choice
3 minutes
1 pt
Simplify
2i - 7i + 10
-5i+10
5i
9i+10
5i+10
9. Multiple Choice
3 minutes
1 pt
(2+3i)(4-2i)
14+8i
48+16i
12-8i
2-8i
10. Multiple Choice
3 minutes
1 pt
$\sqrt{-4}$
2i
-2i
2
4i
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