
1.5 Complex Numbers
Authored by Penelope Jahna
Mathematics
11th Grade - University
Used 3+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(-7 + 9i) + (2 - 10i)
-5 + i
-5 - i
-9 + 1
9 - i
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(4 - 2i) - (3 + 6i)
7 - 4i
1 + 4i
1 - 8i
7 - 8i
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does i2 equal?
-1
√-1
1
-√1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
(3 + 8i)(-2 - i)
2-19i
23-i
34+5i
23-i
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify.
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