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Xác định tọa độ véc tơ

Authored by Minh Tran

Mathematics

10th Grade

Used 95+ times

Xác định tọa độ véc tơ
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20 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cho điểm A(5;2),B(10;8)A\left(5;2\right),B\left(10;8\right)   Tìm tọa độ véc tơ AB→\overrightarrow{AB}  

AB→=(15;10)\overrightarrow{AB}=\left(15;10\right)  

AB→=(2;4)\overrightarrow{AB}=\left(2;4\right)  

AB→=(5;6)\overrightarrow{AB}=\left(5;6\right)  

AB→=(50;16)\overrightarrow{AB}=\left(50;16\right)  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cho a→=−3i→+2j→, b→=2i→−j→\overrightarrow{a}=-3\overrightarrow{i}+2\overrightarrow{j},\ \overrightarrow{b}=2\overrightarrow{i}-\overrightarrow{j}  . Tìm tọa độ c→=a→−b→\overrightarrow{c}=\overrightarrow{a}-\overrightarrow{b}  

c→=(−5;3)\overrightarrow{c}=\left(-5;3\right)  

c→=(3;5)\overrightarrow{c}=\left(3;5\right)  

c→=(3;−5)\overrightarrow{c}=\left(3;-5\right)  

c→=(−1;3)\overrightarrow{c}=\left(-1;3\right)  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Trên mặt phẳng tọa độ Oxy, cho điểm N(5;−3),P(1;0)N\left(5;-3\right),P\left(1;0\right)  , M là điểm tùy ý. Tìm tọa độ MN→−MP→\overrightarrow{MN}-\overrightarrow{MP}  

(4;3)\left(4;3\right)  

(−4;1)\left(-4;1\right)  

(4;−3)\left(4;-3\right)  

(−4;3)\left(-4;3\right)  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cho tam giác ABC với A(1;4),B(−2;2),C(4;0).A\left(1;4\right),B\left(-2;2\right),C\left(4;0\right).  Tìm tọa độ véc tơ AM→\overrightarrow{AM}   với M là trung điểm BC.

AM→=(−3;0)\overrightarrow{AM}=\left(-3;0\right)  

AM→=(0;3)\overrightarrow{AM}=\left(0;3\right)  

AM→=(0;−3)\overrightarrow{AM}=\left(0;-3\right)  

AM→=(3;0)\overrightarrow{AM}=\left(3;0\right)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Trong mặt phẳng tọa độ OxyOxy   cho hình bình hành ABCD có A(1;2),B(−2;4),C(0;3).A\left(1;2\right),B\left(-2;4\right),C\left(0;3\right).  Tìm tọa độ đỉnh D.D.  

D(−3;1)D\left(-3;1\right)  

D(3;1)D\left(3;1\right)  

D(3;−1)D\left(3;-1\right)  

D(−3;−1)D\left(-3;-1\right)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Trên mặt phẳng tọa độ Oxy,Oxy,  cho tam giác ABCABC  có A(1;3),B(−2;1), C(0;−3)A\left(1;3\right),B\left(-2;1\right),\ C\left(0;-3\right)  . Tìm tọa độ véc tơ AB→+AC→\overrightarrow{AB}+\overrightarrow{AC}  

(4;8)\left(4;8\right)  

(1;1)\left(1;1\right)  

(−1;−1)\left(-1;-1\right)  

(−4;−8)\left(-4;-8\right)  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Cho ΔABC,\Delta ABC,   A(0;1),B(3;2),C(−3;4).A\left(0;1\right),B\left(3;2\right),C\left(-3;4\right).  Độ dài trung tuyến AM của tam giác ABC bằng ?

(0;2)\left(0;2\right)  

3.

2.

4.

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