
Operations with Complex Numbers

Interactive Video
•
Mathematics
•
8th - 12th Grade
•
Hard
+4
Standards-aligned

Aiden Montgomery
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the standard form of a complex number?
a / bi
a * bi
a - bi
a + bi
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When adding complex numbers, which parts are added together?
Imaginary parts only
Real parts only
Neither real nor imaginary parts
Both real and imaginary parts separately
Tags
CCSS.7.NS.A.1C
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of i squared?
0
i
1
-1
Tags
CCSS.HSN.CN.A.1
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you handle i squared when multiplying complex numbers?
Replace it with i
Ignore it
Replace it with -1
Replace it with 1
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of rationalizing the denominator in complex numbers?
To eliminate the imaginary part from the denominator
To make the numerator real
To convert the number to polar form
To simplify the numerator
Tags
CCSS.HSN.CN.A.3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of multiplying a complex number by its conjugate?
A complex number with a different imaginary part
Zero
An imaginary number
A real number
Tags
CCSS.HSN.CN.C.8
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the x-axis labeled when graphing complex numbers?
Complex axis
Real axis
Absolute axis
Imaginary axis
Tags
CCSS.HSN.CN.B.4
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