0B2 Week 2 Review Session - Complex Arithmetic
Authored by Nikesh Solanki
Mathematics
University
CCSS covered
Used 32+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
What is the imaginary part of -3-4i
-4
4
-4i
-3
Tags
CCSS.HSN.CN.A.1
2.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
64i
8i
-8i
-64i
3.
MULTIPLE CHOICE QUESTION
30 sec • 2 pts
Compute (-2i)(-3i)
6
6i
-6i
-6
Tags
CCSS.HSN.CN.A.2
4.
MULTIPLE CHOICE QUESTION
45 sec • 2 pts
Compute (-7+2i)+(3+10i).
Note: The brackets are not required here. I only put them there for clarity.
-10-12i
-4+12i
-41-64i
-4+8i
Tags
CCSS.HSN.CN.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 3 pts
Compute (-7+2i)(3+10i).
Note: In this case, the brackets do need to be there.
-41-64i
-10+21i
-41+20i
-21+20i
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Which of the following is the complex conjugate of 11-2i?
-11-2i
11+2i
-11+2i
11-2i
Tags
CCSS.HSN.CN.A.3
7.
MULTIPLE CHOICE QUESTION
2 mins • 3 pts
72-54i
90
72+54i
72
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