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Adding, Subtracting, Multiplying Complex Numbers

Authored by Barbara White

Mathematics

9th - 12th Grade

CCSS covered

Used 2+ times

Adding, Subtracting, Multiplying Complex Numbers
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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Add/Subtract using the proper rules:
2i + 3 + 7 - 12 i

10i - 10
-10i + 10
14i + 10
-10i + 4

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Add/Subtract using the proper rules:
(7 + 2i) - (-12 - 4i)

-5 - 2i
19 - 2i
-5 + 6i
19 + 6i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Add/Subtract using the proper rules:
-3i + 2 - 4i + 16 - (4 - 8i)

-15i + 22
i + 14
-i + 14
15i - 22

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Multiply:
2i (-3i + 7)

6 + 14i
-6i2 + 14i
-6 + 14i
20i2

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

27i - 26
-14 + 15i - 12
15i + 2
22i - 26

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(7-5i)(7+5i)

74
75
74-1

Tags

CCSS.HSN.CN.C.8

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(1-3i)(2+5i)

22-i
16-i
17-i

Tags

CCSS.HSN.CN.A.2

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