Bài 2:
* $y=x+1$:
Chọn $x=0\to y=1$
Chọn $x=-1\to y=0$
* $y=2x-1$:
Chọn $x=0\to y=-1$
Chọn $x=1\to y=1$
Bài 3:
* $y=-2x+1$:
Chọn $x=1\to y=-1$
* $y=\dfrac{1}{2}x+2$:
Chọn $x=0\to y=2$
Chọn $x=-2\to y=1$
Bài 4:
* $y=3x-1$:
Chọn $x=1\to y=2$
* $y=3x+2$:
Chọn $x=-1\to y=-1$
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
X. Fill in each blank with a suitable preposition. 1. Despite the high cost living, London is a great place to live. 2. There has been an increase the number of tourists visiting Thailand these days. 3. City dwellers are more likely to suffer stress and anxiety than people who live in the countryside. 4. West Indian culture has had a big influence me. 5. It took a long time for the British economy to recover the effects of the war. 6. The historic city Melaka is 122 kilometers Kuala Lumpur. 7. West Hampstead has a variety good shops and supermarkets. 8. The hotels were packed tourists during high season.
cos(3x+pi/3)+sin(5pi/2+3x)=2 mong mng giúp. Em đag cần gấp. Em cảm ơn
9. (X + 0,7)^3 = -27 10. ( 2/3x -1/3)^5 = 1/243 11. ( (2/5-3X)^2 = 9/25 12. (2x-1)^10 = 49^5 13. X : 5^2 = (3/5)^2 : 3^2 14. (x - 3/5)^2 = 4 15. (x - 1/4)^2 = 4/9 16. (2x - 5)^4 = -81
Chứng minh : $\frac{1}{3}$ + $\frac{1}{7}$ + $\frac{1}{13}$ + $\frac{1}{21}$ +$\frac{1}{31}$ + $\frac{1}{43}$ + $\frac{1}{57}$ + $\frac{1}{73}$ + $\frac{1}{91}$ < 1
Vẽ anime nữ cute NL : Chị này nhìn cưng dễ sợ . Ko biết chị ý có kiêu ko ? Chị ý có ny chưa ?
nguyên nhân mĩ thất bại trong hiệp giơ-nơ-ven khi quyết tâm phá vỡ hiệp định tỏng chiến tranh việt nam? giúp mik v
mọi người ơi giúp mình với ạ. mình cảm ơn
cho tam giác ABC nhọn nội tiếp (O). Đường kính R , đường cao AE,BR giao nhau tại H 1; chứng minh 4 điểm A,E,B,F cùng nằm trên 1 đường tròn 2; chứng minh OC vuông góc với EF
Section 3. Choose a topic from the list and write a short paragraph about the topic. You can write 120-150 words (2 points). Focus on: - Task achievement (1 points), - Grammatical range and accuracy (0.5 points) - Lexical range and accuracy (0.5 points). List of topics 1. Describe a special or traditional celebration in your country. In your writing, you have to use these grammatical items: a. to + infinitive pattern b. futute forms of the verbs. 2. Do you like dressing up in costumes or masks? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. to + infinitive pattern b. futute forms of the verbs. 3. Do you think it’s a good idea for people to take a career break? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. to + infinitive pattern b. futute forms of the verbs. 4. What would your ideal job be? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. prepositions of places and movement b. Present Perfect tense 5. Do you like working with other people or do you prefer to be independent? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. prepositions of places and movement b. Present Perfect tense 6. What’s your favourite gadget? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. Defining relative clause b. Zero and first conditinal clause 7. What do you think about people downloading music, films and TV series? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. Defining relative clause b. Zero and first conditinal clause 8. What do you think of the idea of a universal language? Write a paragraph to express your opinion. In your writing, you have to use these grammatical items: a. Present Simple Passive b. Past Simple Passive
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến