Đáp án:
(d) đi qua M (-2;1)
=> x=-2
y=1
=> 1=-2a+b
để (d) cắt (d') tại 1 điểm trên trục tung
<=> a∦3
b=-2
=> 1=-2a-2
=> a=$\frac{-3}{2}$
Giải thích các bước giải:
mn giúp mình với ạ , mình cảm ơn ạ
"Hãy cảm ơn những lúc bạn gặp khó khăn,bởi nếu không có khó khăn, bạn sẽ không có cơ hội để hiểu mình và trải nghiệm cuộc sống" ( KD) Viết tiếp các câu để tạo thành 1 đoạn văn ( 5 đến 10 câu) theo phương pháp lập luận diễn dịch kết hợp quy nạp. Mn giúp e với ạ, e c.ơn
muốn rút gọn phân thức thì phải làm j
Giúp mình với ạ, mình cảm ơn nhiều ạ ạ !!!
Mark the letter A, B,C or D on your answer sheet to indicate the words OPPOSITE in meaning to the undelined words in each of the following questions. Question 11: Our teacher encourage us to use a dictionary whenever we are unsure of the meaning of a word. A. motivates B. discourage C. famous D. unknown Question 12: The majority of children in my village go to the boarding school and see their parents at the weekend. A. maximum B. minimum C. ethnicity D. minority Mark the letter A, B,C or D on your answer sheet to indicate the correct answer to each of the following questions. Question 13: When the boy _______the car, he was badly injured. A. is hit by B. was hit by C. hit D. was hitting Question 14: The little girl asked what ______to her friend. A. has happened B. happened C. had happened D. would have happened Question 15: The lecture last night didn’t know what he was talking about, but if Dr.Mason ______I would have listened carefully. A. lectured B. had been lecturing C. was lecturing D. would lecture Question 16: He seemed _______on the topic and asked the teacher a lot of question. A. fond B. interested C. keen D. fall Question 17: She bought the book ____she had heard it was good. A. due to B. due to the fact that C. so D. because of Question 18: The first question must _______before you attempt the others. A. have answer B. answer C. to answer D. be answer Question 19: What would you like to eat? I don’t mind. ______- whatever you’ve got. A. something B. anything C. nothing D. any food Question 20: ______are aware that a language becoming extinct does not necessarily mean that people who spoke it have all died. A. Lingustic B. linguists C. language D. lingual Question 21: My father still hasn’t really ________the death of my mother. A. tooked after B. taken after C. gone off D. got over Question 22: She is ambitious and she wants to_____more responsibilites. A. take in B. take on C. get on D. get up
Giúp em bài này nhé ạ Vẽ hình giúp mình lun nhé ạ mình cảm ơn
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