Operation on Complex Number

Operation on Complex Number

11th - 12th Grade

34 Qs

quiz-placeholder

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Operation on Complex Number

Operation on Complex Number

Assessment

Quiz

Mathematics

11th - 12th Grade

Practice Problem

Hard

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

+2

Standards-aligned

Created by

Barbara White

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34 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

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

Tags

CCSS.HSN.CN.A.2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Multiply
3i(-2 + 4i)

-6+12i
-12-6i
-2+7i
12+6i

Tags

CCSS.HSN.CN.A.2

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The product of (3 -2i) and (7+6i) is

21 - 12i
9 + 4i
33 + 4i
21 + 16i

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

-i(4-9i)

-13i

13i

9 - 4i

-9 - 4i

Tags

CCSS.HSN.CN.A.2

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(10-6i) - (2+3i)

12 + 3i
8 - 3i
8 - 9i
-9i + 8

Tags

CCSS.HSN.CN.A.2

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

(7 - 5i)(7 + 5i)

74
24
49 - 25i
49 + 25i

Tags

CCSS.HSN.CN.C.8

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify
3i - (4 + 7i)

-4 + 10i
21 - 12i
4 - 10i
-4 - 4i

Tags

CCSS.HSN.CN.A.2

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