Complex Numbers Quiz

Complex Numbers Quiz

9th - 12th Grade

14 Qs

quiz-placeholder

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Complex Numbers Quiz

Complex Numbers Quiz

Assessment

Quiz

Mathematics

9th - 12th Grade

Hard

CCSS
HSA.REI.B.4, HSN.CN.A.1, HSN.CN.A.2

+1

Standards-aligned

Created by

Josh Maroney

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image
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

1 min • 1 pt

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

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Simplify: 
(10+ 15i) - (48 - 30i)
58 - 45i
58 - 15i
-38 - 15i
-38 + 45i

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(1-3i)(2+5i)
22-i
16-i
17-i

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(2i)(3i)
5i
-5
6i
-6

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