Complex numbers

Complex numbers

9th - 12th Grade

12 Qs

quiz-placeholder

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Complex numbers

Complex numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSN.CN.A.2, HSA.APR.A.1, HSN.CN.A.1

+4

Standards-aligned

Created by

Sarah Lee

Used 2+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

22-i
16-i
17-i

Tags

CCSS.HSA.APR.A.1

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

74
75
74-1

Tags

CCSS.HSN.CN.C.8

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify: 
(10+ 15i) - (48 - 30i)

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

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

1 min • 12 pts

What does i2 = ?

-1
√-1
1
-√1

Tags

CCSS.HSN.CN.A.1

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Solve
x2 + 49 = 0

-7
-7
7i
±7i

Tags

CCSS.HSA.REI.B.4

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

CCSS.HSN.CN.C.7

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(-3-i)(6-i)

-21-7i
-19-3i
-15-5i
-17-9i

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

(-4i)(3i)(4i)

24
-48i
48i
60

Tags

CCSS.HSN.CN.A.2

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