Complex Number Operations

Complex Number Operations

9th - 12th Grade

30 Qs

quiz-placeholder

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Complex Number Operations

Complex Number Operations

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

Created by

Anuradha Jaggi

Used 3+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What does i2 = ?

-1
√-1
1
-√1

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

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

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

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

74
24
49 - 25i
49 + 25i

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify    3i + 2i

5i
5i2
6i
-5

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Simplify   i23

i
-1
1
-i

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the simplified form of (-9 + 5i) + (3 -2i)

-12 + 31i

-6 + 3i

-11 + 7i

5 - 3i

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