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Complex Numbers

Authored by Loran Crowell

12th Grade

CCSS covered

Used 2+ times

Complex Numbers
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
(3 + 2i) + (4i + 6)

9 + 6i
7i + 8
9 + 6i2
9 - 6i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
(4 + 7i) - (3 + 2i)

1 + 5i
7 + 9i
1 + 9i
-1 + 5i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
-3i(4 + 2i)

6 - 12i
6 + 12i
-12i - 6i2
-12i + 6i2

Tags

CCSS.HSA.APR.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify:
(2 - 3i)(5 + 4i)

22 - 7i
22 + 7i
22 - 7i2
22 + 7i2

Tags

CCSS.HSN.CN.C.8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(4-5i)(4+5i)

41
-9
41+40i
-9+40i

Tags

CCSS.HSN.CN.C.8

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

√-4

-2

-2i

2

2i

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What does i2 = ?

-1
√-1
1
-√1

Tags

CCSS.HSN.CN.A.1

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