Complex Numbers

Complex Numbers

10th - 12th Grade

14 Qs

quiz-placeholder

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Assessment

Quiz

Mathematics

10th - 12th Grade

Easy

Created by

Katelyn Fibich

Used 1+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify
(-6 - 2i)2
32
36-4i
36+24i
32+24i

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

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

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Simplify: 
(7 + 2i)(9 - 6i)
75-24i
63 - 24i  - 12i2
51 - 24i
58 + 60i

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What does i2 = ?
-1
√-1
1
-√1

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