user-avatar
hao1279
2 năm trước
Giải các phương trình sau: a) 4x – 6 = 4 - 2(x+5) b)x( x – 2) – x(x + 3) = 24 c) 2(x + 4) – 3(x – 2) = 5 d) x2 + 2x – 15 = 0 đ) 10x2 – 5x = 0 e)(3x + 2)2 – (3x – 2)2 = 5x + 38
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

Ai làm bừa + sai = báo cáo tkss mn nhiều lắm Ý nào dưới đây không phải chính sách của vương triều Nguyễn ? * Nguyễn Ánh chọn Phú Xuân làm kinh đô của vương triều Nguyễn. Ban hành bộ luật Gia Long. Vua trực tiếp điều hành mọi việc hệ trọng trong nước, từ trung ương đến địa phương. Cắt đứt quan hệ với nhà Thanh, thiết lập quan hệ với các nước phương Tây. Người có công khai phá miền ven biển, lập nên các huyện Tiền Hải (Thái Bình) và Kim Sơn (Ninh Bình) là * Nguyễn Cư Trinh. Nguyễn Tri Phương. Trịnh Hoài Đức. Nguyễn Công Trứ. Dưới vương triều Nguyễn: "Một hệ thống....được thiết lập từ Nam Quan đến Cà Mau để kịp thời chuyển tin tức giữa triều đình với các địa phương", chọn từ phù hợp điền vào chỗ trống. * Trạm ngựa. Cung điện. Thành lũy. Chiến hào.

We go there by car and they go ……… foot. A. on B. by C. to D. with 4. Listen! Who ……… to your sister? A. is going to talk B. talks C. does talk D. is talking 5. Fall means ……… in British English. A. summer B. winter C. spring D. autumn 6. Tokyo is ………….. than Mexico City. A. smaller B. smallest C. the smallest D. small 7. I don’t have ……… apples but I have ……………oranges. A. any/some B. any/any C. some/any D. some/some 8. What color …………….her eyes? A. is B. are C. do D. does 9. ………………… is a pen?. It is 5,000 dong. A. How many B. How C. How often D. How much 10. She isn’t strong. She is …………… A. weak B. tall C. short D. heavy Part 2: Supply the correct form of verbs: (1,5pts) 1. I (write) ………to my parents now, I (write) ……. to them every weekend. 2. You (go) ……………..to the party tonight? 3. Mary (listen)…………….to music at the moment. 4. He (want) …………….(be) ………….a doctor. SECTION III: SPEAKING Match the question in column A with the right answer in column B. (1pt) A B 1. What weather does she like? 2. How often do you go shopping? 3. How do you go to school? 4. Why don’t we go to the beach? a. I walk to school. b. Good idea. c. Once a week. d. She likes warm weather. SECTION IV: READING (2pts) Read the text and decide if these statements are True (T) or False (F) My uncle is an engineer. His name is Hung. He is going on vacation this summer. First, he is going to visit Ha Long Bay. He is going to stay in a small hotel near the bay for two days. Then he is going to visit Da Lat for three days. Finally, he is going to visit some friends in Ho Chi Minh City. He is going to stay there for one day. He is going to walk along Saigon River. He is going to fly home. True(T)/ False(F) statements: 1……. Mr. Hung is going to visit three cities this summer. 2. ……He is going to visit Ha Long Bay first, then Ho Chi Minh City, and finally Da Lat. 3. ……He is going to stay in Da Lat for three days. 4……..He is going to go home by train. SECTION V: WRITING (2pts) Arrange the words into the sentence: 1. want / Tom / Mary / and / glasses / two / of / water. ..................................................................................................................................... 2. sister / my / going / is / to / live / country / the / in. ..................................................................................................................................... 3. the / spring / in / what / weather / is / like / the? .................................................................................................................................... 4. building / tallest / the / is / this / the / in / world. .....................................................................................................................................

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team