Complex number operations

Complex number operations

9th - 12th Grade

25 Qs

quiz-placeholder

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Complex number operations

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

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

+6

Standards-aligned

Created by

Justin Silas

Used 6+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify   i23

i
-1
1
-i

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Simplify  i54

1
-1
i
-i

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

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

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

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

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Multiply
3i(-2 + 4i)

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

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

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

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

(-6+4i)(-7-3i)

-54-10i
54-10i
54+10i
-54+10i

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