Imaginary Numbers

Imaginary Numbers

8th - 10th Grade

20 Qs

quiz-placeholder

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Imaginary Numbers

Imaginary Numbers

Assessment

Quiz

Mathematics

8th - 10th Grade

Practice Problem

Medium

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

+3

Standards-aligned

Created by

Gina Spencer

Used 732+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Simplify.

-5i
5
5i
-5

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Multiply: 
(4 – 3i)(-7 – 2i)

A.  -23 + 13i
B.  -23 - 29i
C.  -34 + 13i
D.  -34 - 29i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 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

15 mins • 1 pt

Simplify
2i - 7i + 10

10 - 5i
5i
10 + 9i
10 + 5i

Tags

CCSS.HSN.CN.A.2

5.

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

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

i79

i
1
-1
-i

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(2i)(3i)

5i
-5
6i2
-6

Tags

CCSS.HSN.CN.A.2

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