Trong mặt phẳng toạ độ, cho đường thẳng có phương trình . Ảnh của đường thẳng qua phép tịnh tiến theo vectơ có phương trình là
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Some of them try to impose their choices of university or career on their children.
No. Some of them try to impose their choices of university or career on their children.
They want their children to spend their time in a more useful way.
They want their children to spend their time in a more useful way.
They are worried because these clothes may break rules and norms of society, or distract them from schoolwork.
They are worried because these clothes may break rules and norms of society, or distract them from schoolwork.
They want to be more independent, create their own opinions and make their own decisions.
They want to be more independent, create their own opinions and make their own decisions.
Câu hỏi:
Why do most parents tend to treat their teenage children small kids?
Đáp án :
Because they think that children can't protect themselves well.
Because they strongly believe thev know what is best for their children.
Xét một điểm bất kỳ trên \(\Delta\text{ là }A\left(1,3\right)\)
Qua phép tính tiến (2,-2) thì điểm A biến thành \(A'\left(3,1\right)\)
mà tịnh tiến đường thẳng ta được đường song song với đường ban đầu nên
Vậy từ A' dựng đường song song với \(\Delta\text{ là }\Delta':-x-3y+6=0\)