Introduction to Complex Numbers

Introduction to Complex Numbers

9th - 12th Grade

9 Qs

quiz-placeholder

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Introduction to Complex Numbers

Introduction to Complex Numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

CCSS
HSN.CN.A.2, HSN.CN.A.1, HSN.CN.C.8

Standards-aligned

Created by

Demetrious Howard

Used 1+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is (3 - 5i) + (-4 + 7i)?

-1+2i

1+2i

7-12i

-2+3i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is (-5 + 3i) - (4 + 7i)?

-1- 4i

-1+4i

-9-4i

-9+4i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is (4 - 5i)(-2 + 7i)?

27+18i

-43+18i

-43+38i

27+38i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is (3 + 4i)(3 - 4i)?

9-16i

9+16i

25

-7

Tags

CCSS.HSN.CN.C.8

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What letter usually represent imaginary number?

a
i
j
x

Tags

CCSS.HSN.CN.A.1

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What does i2 = ?

-1
√-1
1
-√1

Tags

CCSS.HSN.CN.A.1

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify:
-3i(4 + 2i)

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

Tags

CCSS.HSN.CN.A.2

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