Complex Numbers

Complex Numbers

Assessment

Quiz

Mathematics

10th - 11th Grade

Medium

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

Standards-aligned

Created by

Wayground Content

Used 468+ times

FREE Resource

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

(5-2i) + (-7+8i)

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

Tags

CCSS.HSN.CN.A.1

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What does i2 = ?

-1
√-1
1
-√1

Tags

CCSS.HSN.CN.A.1

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify:
-3i(4 + 2i)

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

Tags

CCSS.HSN.CN.A.2

4.

MULTIPLE CHOICE QUESTION

5 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

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: 
(10+ 15i) - (48 - 30i)

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

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How do you write a complex number?

a-bi

a+bi

ai+b

ai-b

Tags

CCSS.HSN.CN.A.1

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

(4 - 2i) - (3 + 6i)

7 - 4i

1 + 4i

1 - 8i

7 - 8i

Tags

CCSS.HSN.CN.A.2

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