(-7 + 9i) + (2 - 10i)

1.5 Complex Numbers
Quiz
•
Penelope Jahna
•
Mathematics
•
11th Grade - University
•
3 plays
•
Hard
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
-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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