Giải thích các bước giải:
\(4x+0y=6 \leftrightarrow x=\frac{3}{2}\)
Tập nghiệm của PT được biểu điển bởi đường thẳng \(x=\frac{3}{2}\) song song trục tung
$4x+0y=6$ (*)
$\Leftrightarrow 4x=6$
$\Leftrightarrow x=\dfrac{3}{2}$ (d)
Trên hệ trục Oxy, tập nghiệm của (*) biểu diễn bởi đồ thị (d).
PRACTICE: PHONETIC I. Write the following words in the correct column. care prepare spare pear here peer really square near volunteer fare nightmare /eə/ /ɪə/ II. Choose the word that has the underlined part pronounced differently. 1. A. clear B. prepare C. real D. fear 2. A. bare B. care C. tear D. air 3. A. dare B. career C. deer D. area 4. A. invariable B. chair C. square D. engineer 5. A. beard B. vegetarian C. cheer D. gear 6. A. upstairs B. swear C. carrier D. stare 7. A. heir B. shear C. sphere D. theater 8. A. various B. librarian C. wear D. dreary 9. A. near B. pair C. dear D. rear 10. A. beer B. bear C. fare D. dairy VOCABULARY III. Read the definitions and complete the blanks with given words. goggles court breaststroke stadium volleyball achievement skipping rope boxing tug of war referee No. Definitions Word 1. A sport in which two people fight each other with their hands, while wearing very large thick gloves 2. A game in which two teams of six players use their hands to hit a large ball backwards and forwards over a high net while trying not to let the ball touch the ground on their own side 3. A pair of glasses that fit closely to the face to protect the eyes from wind, dust, water, etc. 4. A thing that somebody has done successfully, especially using their own effort and skill 5. A style of swimming that you do on your front, moving your arms and legs away from your body and then back towards it in a circle 6. A place where games such as tennis are played 7. a type of sport in which two teams show their strength by pulling against each other at the opposite ends of a rope, and each team tries to pull the other over a line on the ground 8. A piece of rope, usually with a handle at each end, that you hold, turn over your head and then jump over, for fun or to keep fit 9. A large sports ground surrounded by rows of seats and usually other buildings 10. A person who is in charge of a sports game and who makes certain that the rules are followed IV. Use the sports or games in the list to fill in the boxes. PLAY GO DO _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ _______________________ badminton karate football cycling yoga swimming boxing tennis aerobics skateboarding basketball hiking judo skiing soccer gymnastics jogging golf V. Choose the best options to complete the following sentences. 1. I often practise in the gym four times a week. A. boxing B. fishing C. driving 2. It’s snowy outside. We can go . A. tennis B. skiing C. football 3. He sometimes goes with his father at weekends. A. badminton B. table tennis C. swimming 4. The has attracted many famous athletes this year. A. sports competition B. Game Show C. music event 5. I like playing . It makes me more intelligent. A. aerobics B. gym C. chess 6. In a match, players will try to kick the ball to the other team’s goal to score. A. basketball B. football C. volleyball 7. Why don’t you do ? It can help you protect yourself. A. cycling B. karate C. skateboarding 8. Boys often play in the schoolyard at break time. A. aerobics B. cycling C. marbles 9. Badminton requires only a net, a racket, and a birdie or ________. A. ball B. goggles C. shuttlecock 10. The person who makes sure that a game is played according to the rules is called a _______. A. coach B. referee C. judge VI. Complete the sentences with the correct words in the box. 1. All we need to run is good _______________. 2. They fight in a square area with ropes around it, called a boxing _______________. 3. _______________ are special glasses that fit closely to the face to protect the eyes from wind, dust, water, etc. 4. In boxing, the fighters wear large leather boxing _______________ on their hands. 5. Shall we play table tennis? - Great! Can you lend me a _______________? 6. He threw his tennis _______________ across the court in anger. 7. When we put _______________ on we can move over snow easily. 8. He sometimes rides his _______________ to school. ******************************* goggles racket skateboard skis ring paddle running shoes gloves
vẽ cho mk satoshi đang trong lúc hợp thể vs gekkouga nha(ko bt thì đừng có vẽ có thể sao chép mạng, nếu sao chép mạng thì phải sao chép 5 cái nha)
cho phân số 26/54 hãy tìm số tự nhiên m sao cho khi bớt ở tử số và thêm mẫu số cùng 1 số tự nhiên m ta được phân số mới =3/7
Hai câu cầu khiến: "Đưa tay cho tôi mau!" và "Cầm lấy tay tôi này!" có gì đặc biệt? Được sử dụng trong tình huống nào?
vì sao bệnh sốt rét thường xảy ra ở vùng núi và các miền sông nước? Biện pháp phòng tránh?
Cho 16g hỗn hợp X gồm Fe và Mg tác dụng hoàn toàn với dung dịch HCl thì thu được 8,96 lít khí ở đktc. Tính khối lượng của Fe và Mg trong hỗn hợp ban đầu
Cho bảng số liệu về các nghành kinh tế của thái lan năm 2000( đơn vị %) Nông nghiệp (10,5) Công nghiệp (40.0) Dịch vụ( 49,5) Hãy vễ biểu đồ hình tròn thể hiện các nghành kinh tế của thái lan năm 2000. Qua biểu đồ đó nhận xét về các ngành kinh tế trên?
Em phải làm sao ạk? Em làm nảy h vẫn ko xong ạk Mong mọi người giúp em ạk
Viet so thích hop vào cho cham : 20 hm2= .....dam2 5 cm2 = .....mm2 3 m2 = ......cm2 7 ha = .....m2 13 km2 = .....ha 300 m2 = .....dam2 2100 dam2 = ....hm2 900mm2 = ......cm2 8000 dm2 = ....m2 50000 m2 = .....ha 34000 ha= ......km2 8 dam2 = ......m2
1. Did she like the car? a. He thinks it is difficult. 2. What time did she arrive home? b. Thanks. I’m glad you like it. 3. How much are they? c. At 8:00 p.m. 4. Why don’t we go to the cafeteria? d. Ten thousand dong. 5. When do you have English? e. I usually play basketball with my friends. 6. What a nice dress! f. He is good at drawing. 7. What do you usually do after school? g. Yes, I will. 8. What is he good at? h. Yes, she did. 9. Will you be free tomorrow evening? i. That’s a good idea. 10. What does Nam think about Math? j. I have it on Monday and Tuesday. k. About 5 kilometers 2 1. ________; 2 ________; 3________; 4________; 5________ 6. ________; 7 ________; 8________; 9________; 10________ IV. Give the correct form of the verbs. a, 1. I _____ at home last weekend. (stay) 2. Angela ______ to the cinema last night. (go) 3. I and my friends ______ a great time in Nha Trang last year. (have) 4. My vacation in Hue last summer ______ wonderful. (be) 5. Last June I _____ Ngoc Son Temple in Ha Noi. (visit) 6. My parents ____ very tired after the trip. (be) 7. I _______ a lot of gifts for my little sister. (buy) 8. Lan and Mai _______ sharks, dolphins and turtles at Tri Nguyen aquarium. (see) 9. Trung _____ chicken and rice for dinner yesterday. (eat) 10. They ____ about their holiday in Hoi An 2 months ago. (talk)
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến