Categorizing Real and Complex Numbers

Categorizing Real and Complex Numbers

10th - 12th Grade

20 Qs

quiz-placeholder

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Categorizing Real and Complex Numbers

Categorizing Real and Complex Numbers

Assessment

Quiz

Mathematics

10th - 12th Grade

Practice Problem

Hard

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

+5

Standards-aligned

Created by

Barbara White

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply: 
(4 – 3i)(7 + 2i)

A.  22 - 13i
B.  28 - 19i
C.  34 - 13i
D.  -34 - 29i

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Find the sum.
(5-2i) + (-7+8i)

-2+6i
12+6i
-35-16i2
-35 -16i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is i129?

-i
i
1
-1

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

i7

i
-i
1
-1

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify √-45

3i√5
-3i√5
-i√45
45i

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the conjugate of:
5 + 7i

5 − 7i
-5 − 7i
-5 + 7i

Tags

CCSS.HSN.CN.A.3

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the conjugate of:
-4 − 8i

-4 + 8i
4 − 8i
4 + 8i

Tags

CCSS.HSN.CN.A.3

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