
PHƯƠNG TRÌNH ĐƯỜNG THẲNG
Authored by Phương Trịnh
Mathematics
10th Grade
Used 193+ times

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18 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Tìm tọa độ vectơ chỉ phương của đường thẳng đi qua 2 điểm 𝐴 (−3;2) và 𝐵( 1;4) .
(2;1) .
(−1;2) .
(−2;6) .
(1;1) .
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Một đường thẳng có bao nhiêu vectơ pháp tuyến?
1.
2.
4.
Vô số.
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Đường thẳng 𝑑 có một vectơ chỉ phương là . Trong các vectơ sau, vectơ nào là một vectơ pháp tuyến của 𝑑?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho phương trình tham số của đường thẳng 𝑑 : 𝑥=5+𝑡 ,𝑦=−9−2𝑡 khi đó phương trình tổng quát của 𝑑 là:
2𝑥+𝑦−1=0.
2𝑥+𝑦+1=0.
2𝑥−𝑦+1=0.
2𝑥−𝑦−1=0.
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Đường thẳng 𝑑 đi qua điểm 𝑀( 1;−2) và có vectơ chỉ phương có phương trình tham số là:
𝑑: 𝑥=3+𝑡, 𝑦=5−2𝑡 .
𝑑: 𝑥=1+3𝑡, 𝑦=−2+5𝑡 .
𝑑: 𝑥=1+5𝑡, 𝑦=−2−3𝑡 .
𝑑: 𝑥=3+2𝑡 ,𝑦=5+𝑡 .
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Phương trình đường thẳng cắt hai trục tọa độ tại 𝐴( –2 ; 0) và 𝐵 (0 ; 3) là:
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Đường trung trực của đoạn 𝐴𝐵 với 𝐴( 4;−1) và 𝐵 (1;−4 ) có phương trình là:
𝑥+𝑦=1.
𝑥+𝑦=0.
𝑦−𝑥=0.
𝑥−𝑦=1.
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