complex numbers

complex numbers

12th Grade

30 Qs

quiz-placeholder

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complex numbers

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Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Easy

CCSS
HSN.CN.A.2, HSN.CN.A.1, HSN.CN.A.3

+4

Standards-aligned

Created by

Peter Mikhail

Used 50+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

What does i2 equal?

-1

√-1

1

-√1

Tags

CCSS.HSN.CN.A.1

2.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

The expression (2 + 3i)2 is equal to

-5
-5 + 12i
13
13 + 12i

Tags

CCSS.HSN.CN.C.8

3.

MULTIPLE CHOICE QUESTION

2 mins • 5 pts

(3 + 8i)(-2 - i)

2-19i

23-i

34+5i

23-i

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

3 mins • 6 pts

Media Image

Simplify

(-10+6i)/17

(1+50i)/61

(-23+36i)/25

(-21+33i)/34

Tags

CCSS.HSN.CN.A.3

5.

MULTIPLE CHOICE QUESTION

20 sec • 2 pts

Simplify   i23

i
-1
1
-i

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

3 mins • 6 pts

Media Image

A
B
C
D

Tags

CCSS.HSN.CN.A.3

7.

MULTIPLE CHOICE QUESTION

2 mins • 4 pts

Simplify: 
(10+ 15i) - (48 - 30i)

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

Tags

CCSS.HSN.CN.A.2

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