
Operations with Complex Numbers

Interactive Video
•
Mathematics
•
9th - 12th Grade
•
Hard
Standards-aligned

Amelia Wright
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main rule to remember when adding complex numbers?
Add the real parts and subtract the imaginary parts
Add the real parts and add the imaginary parts
Subtract the real parts and add the imaginary parts
Subtract the real parts and subtract the imaginary parts
Tags
CCSS.HSN.CN.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the first example, what is the result of adding -2 + 3i and 7 - 4i?
5 + i
5 - i
5 + 7i
5 - 7i
Tags
CCSS.HSN.CN.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When subtracting complex numbers, what should you remember to do?
Subtract only the real part
Add both parts of the complex number
Add only the imaginary part
Subtract both parts of the complex number
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the second example, what is the result of subtracting 12 - i from 2 - 3i?
10 + 2i
10 - 2i
-10 + 2i
-10 - 2i
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step to verify the sum of complex numbers on a graphing calculator?
Press the ENTER key
Press the DECIMAL key
Press the MODE key
Press the SECOND key
Tags
CCSS.HSN.CN.A.1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which mode should be highlighted on the graphing calculator to verify complex number operations?
A + B1
A - B1
A / B1
A * B1
Tags
CCSS.HSN.CN.A.2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you input the imaginary unit 'i' on the graphing calculator?
Press the MODE key
Press the SECOND key followed by the DECIMAL key
Press the ALPHA key
Press the ENTER key
Tags
CCSS.HSN.CN.A.2
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