092421 Complex Numbers

092421 Complex Numbers

9th - 12th Grade

11 Qs

quiz-placeholder

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092421 Complex Numbers

092421 Complex Numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

Created by

Regina Saromines

Used 1+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: 
(10+ 15i)-(48 - 30i)

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

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: 
(7 + 2i)(9 - 6i)

75-24i
63 - 24i  - 12i2
51 - 24i
58 + 60i

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does i2 = ?

-1
√-1
1
-√1

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

10
-10
10i
-10i

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify 
√-25

-5i
5
5i
-5

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify
2i - 7i + 10

-5i+10
5i
9i+10
5i+10

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify
3i - (4 + 7i)

-4 + 10i
21 - 12i
4 - 10i
-4 - 4i

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