Complex Numbers

Complex Numbers

11th - 12th Grade

13 Qs

quiz-placeholder

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Complex Numbers

Complex Numbers

Assessment

Quiz

Mathematics

11th - 12th Grade

Practice Problem

Medium

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

+1

Standards-aligned

Created by

Heather Smetak

Used 672+ times

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13 questions

Show all answers

1.

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

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify: 
(7 + 2i)(9 - 6i)
75-24i
63 - 24i  - 12i2
51 - 24i
58 + 60i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What does i2 = ?
-1
√-1
1
-√1

Tags

CCSS.HSN.CN.A.1

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify
3i - (4 + 7i)
-4 + 10i
21 - 12i
4 - 10i
-4 - 4i

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

Multiply
(2i)(3i)
5i
-5
6i
-6

Tags

CCSS.HSN.CN.A.2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Multiply
(3i)(-2+4i)
-6+12i
-12-6i
-2+7i
12+6i

Tags

CCSS.HSA.APR.A.1

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