Simplify -√-8
Properties of Complex Numbers
10th - 12th Grade
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Properties of Complex Numbers
Quiz
•
Mathematics
•
10th - 12th Grade
•
Hard
Barbara White
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
-i√8
-2i√2
2i√2
-8i
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify 2√-32
2i√32
4i√2
8i√2
-16i√2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
(12 - 5i) + (-3 + 4i)
A. 9 - i
B. 15 - 9i
C. -16 + 63i
D. 9 - 9i
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Evaluate (9 + 3i) (9 - 3i).
81 -9i
90
81 + 27i -9i2
81i - 9
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
i7
i
-i
1
-1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Simplify:
(10+ 15i) - (48 - 30i)
(10+ 15i) - (48 - 30i)
58 - 45i
58 - 15i
-38 - 15i
-38 + 45i
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does i2 = ?
-1
√-1
1
-√1
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