
Đường thẳng và vectơ
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Giang Hương
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cho hai đường thẳng d1: 3x - 4y +2 = 0 và d2: mx +2y - 3 = 0. Hai đường thẳng song song với nhau khi:
m = 3
m=3/2
m=-3/2
m = - 3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Một đường thẳng có bao nhiêu phương trình tham số?
0
1
2
Vô số
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình của đường thẳng qua điểm M(x0; y0) có vectơ pháp tuyến n→=(a;b) là:
b(x - x0) - a(y - y0) = 0
a(x + x0) + b(y + y0) = 0
a(x - x0) + b(y - y0) = 0
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình của đường thẳng qua điểm M(x0; y0) có vectơ chỉ phương u→=(a;b) là:
b(x-x0) - a(y-y0)=0
a(x+x0) + b(y+y0)=0
a(x-x0) + b(y-y0)=0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình tham số của đường thẳng Δ đi qua điểm M1(3;4 ) và vuông góc với đường thẳng 2x - y + 3 = 0 là:
x - 2y + 5 = 0
x + 2y - 11 = 0
2x - y - 2 = 0
2x - y = 0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phương trình tổng quát của Δ đi qua điểm M(3;4) và có vectơ pháp tuyến n→=(1;-2)là:
3(x + 1) + 4(y - 2) = 0
3(x - 1) + 4(y + 2) = 0
(x - 3) - 2(y - 4) = 0
(x + 3) - 2(y + 4) = 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho ba điểm A(3;2), B(1;-2), C(4;1). Đường thẳng qua A và song song với cạnh BC có phương trình là:
x - y + 5 = 0
x + y - 5 = 0
x - y - 1 = 0
x + y = 0
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