
Kiến thức về tọa độ vec tơ

Quiz
•
Mathematics
•
10th Grade
•
Hard
Kiều Anh
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1. Xác định tọa độ điểm A(3, 4) trong mặt phẳng Oxy.
Tọa độ điểm A là (3, 4).
Tọa độ điểm A là (3, 5).
Tọa độ điểm A là (2, 4).
Tọa độ điểm A là (4, 3).
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. Tính vectơ đơn vị của vec tơ AB với A(1, 2) và B(4, 6).
(0.5, 0.5)
(0.4, 0.6)
(1, 1)
(0.6, 0.8)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. Tìm trung điểm của đoạn thẳng nối hai điểm C(2, 3) và D(6, 7).
(2, 7)
(4, 5)
(5, 6)
(3, 4)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
4. Tìm tọa độ trọng tâm của tam giác có các đỉnh E(1, 1), F(4, 5), G(7, 2).
(6, 3)
(5, 4)
(4, 2.67)
(3, 3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5. Tính tích vô hướng của hai vec tơ u(2, 3) và v(4, 1).
10
15
11
7
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6. Tính độ dài đoạn thẳng nối hai điểm H(0, 0) và I(3, 4).
5
7
6
4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7. Tính độ dài vec tơ từ điểm J(2, 2) đến điểm K(5, 5).
4
2√3
3√2
5√2
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