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Mathematics

11th Grade

Used 3+ times

Complex Numbers
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50 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify the following radical: √32

3√2
4√8
16√2
4√2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify √-28

-√28
-2i√7
2i√7
28i

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify -√-48

4i√3
-4i√3
i√48
-48i

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

√-36

6
-6
-6i
6i

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

-3√80a7

4a³√5a
-12a³√5a
-3a³√5a
-48a³√5a

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify: 
(10+ 15i) - (48 - 30i)

58 - 45i
58 - 15i
-38 - 15i
-38 + 45i

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the sum.
(5-2i) + (-7+8i)

-2+6i
12+6i
-35-16i2
-35 -16i

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