Complex Numbers

Complex Numbers

9th Grade

12 Qs

quiz-placeholder

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Complex Numbers

Complex Numbers

Assessment

Quiz

Mathematics

9th Grade

Medium

Used 1+ times

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12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

10
-10
10i
-10i

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

5i
-5i
5+i
-5

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the complex conjugate of  4-3i?

A.  1/(4-3i)
B. 1/(4+3i)
C.  -4 + 3i
D.  4 + 3i

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
i7

i
-i
1
-1

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify:
√-108

3i√6
3i√20
6i√3
20i√3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

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

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

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

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