
Câu hỏi về vectơ
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Thoan Nguyễn
Used 1+ times
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19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong mặt phẳng toạ độ, cặp vectơ nào sau đây có cùng phương?
A.
B.
C.
D.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong mặt phẳng toạ độ, cặp vectơ nào sau đây vuông góc với nhau?
A.
B.
C.
D.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong mặt phẳng toạ độ, vectơ nào sau đây có độ dài bằng 1?
A.
B.
C.
D.
4.
OPEN ENDED QUESTION
3 mins • 1 pt
Góc giữa vec
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong mặt phẳng toạ độ, vectơ nào sau đây có độ dài bằng 1 ?
A.
B.
C.
D.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Góc giữa vectơ 𝒂=(𝟏;−𝟏) và 𝒃=(−𝟐;𝟎) có số đo bằng
A.
B.
C.
D.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khẳng định nào sau đây là đúng ?
A sai, vì :
B.
C.
D. đúng , vì đây là tính chất của tích vô hướng.
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