Cho đường thẳng $$d:\ 3x+5y+2018=0$$ .Tìm mệnh đề sai trong các mệnh đề sau:

k có hệ số góc $$k=\frac{5}{3}$$

d có vectơ pháp tuyến $$\overrightarrow{n}=\left(3;5\right)$$

d có vectơ chỉ phương $$\overrightarrow{u}=\left(5;-3\right)$$

d song song với đường thẳng $$\Delta:\ 3x+5y=0$$

Lập phương trình tổng quát của đường thẳng d đi qua M (3; 4) và có VTPT $$\overrightarrow{n}=\left(-2;1\right)$$

-2x + y + 2 = 0 và 2x - y - 2 = 0

2x + y + 2 = 0 và -2x - y - 2 = 0

Cho điểm M(1; 2). Hãy lập phương trình của đường thẳng đi qua điểm M và chắn trên hai trục tọa độ hai đoạn thằng có độ dài bằng nhau.

Cả ba đáp án trên đều đúng

Viết phương trình đường thẳng đi qua điểm M(2; 5) và cách đều hai điểm P(-1; 2), Q(5; 4).

$$x=2+3t;\ y=5+t$$ và $$x=2;\ y=5-2t$$

$$x=2+3t;\ y=5-2t$$ và $$x=2;\ y=5+t$$

Bài 19. PHƯƠNG TRÌNH ĐƯỜNG THẲNG (Dạng 1)

Quiz

•

Mathematics

•

10th Grade

•

Practice Problem

•

Hard

Sơn Hải

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47 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

3

2

1

4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(5; -3)

(6; 1)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Vector nào dưới đây là 1 vector chỉ phương của đường thẳng song song với trục Ox :

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