Complex Numbers

Complex Numbers

9th - 12th Grade

20 Qs

quiz-placeholder

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Complex Numbers

Complex Numbers

Assessment

Quiz

Mathematics

9th - 12th Grade

Medium

Created by

Georganna Stanley

Used 3+ times

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20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

Select all that apply.

10

-10

10i

-10i

2.

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

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:
i7
i
-i
1
-1

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Simplify:
√-108
3i√6
3i√20
6i√3
20i√3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(5-2i) + (-7+8i)
-2+6i
12+6i
-35-16i2
-35 -16i

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Multiply: 
(4 – 3i)(-7 – 2i)
A.  -23 + 13i
B.  -23 - 29i
C.  -34 + 13i
D.  -34 - 29i

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