
Số phức trong mặt phẳng
Quiz
•
Mathematics
•
12th Grade
•
Medium
Vandung Hoang
Used 1+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hãy biểu diễn số phức z = 3 + 4i trong mặt phẳng phức.
(4, 3)
(3, 4)
(3, -4)
(4, -3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu diễn số phức z = -2 - i trong hệ trục tọa độ Oxy.
(2, -1)
(-2, 1)
(-2, -1)
(1, -2)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm phần thực và phần ảo của số phức z = 5 - 2i.
5, -2
2, -5
5, 2
3, -4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu diễn số phức z = -1 + 3i trong mặt phẳng phức.
(0, 3)
(3, -1)
(-1, 3)
(1, -3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hãy tìm số phức đồng dạng với z = 2 + 5i.
2 + 5i
3 + 4i
2 - 5i
5 + 2i
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Biểu diễn số phức z = 4 - 4i trong hệ trục tọa độ Ox'y'.
(4, -4)
(4, -4)
(4, 0)
(4, 4)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính tích của số phức z1 = 2 + i và z2 = 3 - 2i.
5 - 3i
6 + 2i
1 - 4i
8 - i
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hãy tìm số phức nghịch đảo của z = 1 + 2i.
1 - (2/5)i
1/5 - (2/5)i
1/5 - 2i
1/5 + (2/5)i
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính thương của số phức z1 = 4 + 3i và z2 = 2 - i.
5 + 2i
3 - 4i
6 + 2i
8 + 5i
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