Adding and Subtracting Complex Numbers

Adding and Subtracting Complex Numbers

11th Grade

15 Qs

quiz-placeholder

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Adding and Subtracting Complex Numbers

Adding and Subtracting Complex Numbers

Assessment

Quiz

Mathematics

11th Grade

Hard

Created by

Lisa Lee

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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1

-1

i

0

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does i=  ?
1
-1
√-1
√1

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you write a complex number?

a-bi

a+bi

ai+b

ai-b

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Add/Subtract using the proper rules:
(7 + 2i) - (-12 - 4i)
-5 - 2i
19 - 2i
-5 + 6i
19 + 6i

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Add/Subtract using the proper rules: (3 + 2i) + (7 - 12i)

10+10i

10-10i

10+14i

4-10i

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

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