Adding and Subtracting Complex Numbers
Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Practice Problem
•
Hard
Standards-aligned
Mia Campbell
FREE Resource
Standards-aligned
Read more
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the form of a complex number?
A + B
A - BI
A - B
A + BI
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of 'I' in complex numbers?
The square root of 1
The square root of 2
The square root of -1
The square root of 0
Tags
CCSS.HSN.CN.A.1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you simplify the square root of a negative number using complex numbers?
By factoring out -1 and using 'I'
By adding 1
By multiplying by 2
By subtracting 1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the square root of -36?
6
6I
36
36I
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the square root of -121?
121
11I
11
121I
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of subtracting 6I from 11I?
5I
-5I
17I
-17I
Tags
CCSS.HSN.CN.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the simplified form of the square root of -49?
7
49I
49
7I
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