
Complex Numbers
Authored by Kristen Foy
Mathematics
11th Grade
Used 1+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(-7 + 9i) + (2 - 10i)
-5 + i
-5 - i
-9 + 1
9 - i
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(4 - 2i) - (3 + 6i)
7 - 4i
1 + 4i
1 - 8i
7 - 8i
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What does i2 equal?
-1
√-1
1
-√1
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The expression (2 + 3i)2 is equal to
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
(3 + 8i)(-2 - i)
2-19i
23-i
34+5i
23-i
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
√-36
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What letter represents an imaginary number?
a
i
j
x
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