Cho A(x) = 3x-6 Tính A(-1) Tìm nghiệm của đa thức A(x)

✨Em cần một lời giải thích✨ V. Fill in the each blank with one suitable preposition. 1. We both share a love ............... music.. 2. .............. 3 o’clock, all the runners had arrived. 3. Robert has been married .............. Deborah for over a year now. 4. Brenda decided to discuss her problems ................ a psychiatrist. 5. The company blamed the drop in sales ................ the economic situation.

tóm tắt văn bản ''nếu cậu muốn có 1 người bạn''

Trả lời giúp em với ạ, em cần gấp !!

1. The teacher told us (do) __________the test carefully. 2. __________ (not worry)! I can come round and help you immediately. 3. ____________( you/ play ) music up there? It’s really noisy. 4. I was sure I (see) ___________him somewhere before, but I couldn’t remember where. giúp mình vs ạ

Mong moi nguoi giup vs ạ .......

Vì sao nói cuộc chiến tranh Việt Nam của Mĩ là cuộc chiến tranh cục bộ điển hình nhất của sự đối đầu hai cực, hai phe Xô Mĩ? GIÚP EM VỚI Ạ🥰

Tìm phát biểu sai. Cường độ điện trường do điện tích Q > 0 đặt tại A gây ra tại M cách Q một khoảng r có A. phương trùng với đường thẳng nối A và M. B. độ lớn là: E = 9.10^9.(Q/ε.r^2) C. điểm đặt tại A. D. chiều phụ thuộc vào dấu của Q

1. John tennis once or twice a week. A. is playing usually B. is usually playing C. usually plays D. plays usually 2. Tom his hand when he was cooking dinner. A. burnt B. was burning C. has burnt D. had burnt 3. Jim is away on holiday. He to Spain many times A. is gone B. have been C. has been D. was 4. Everything is going well. We any problems so far. A. didn't have B. don't have C. haven't had D. hadn't had 5. Jane just a few minutes ago. A. left B. has left C. leaves D. had left 6. Timson 13 films and I think the latest is the best. A. made B. had made C. has made D. was making 7. Robert lately? A. Did you see B. Have you seen C. Do you see D. Are you seeing 8. When I was a child, I the violin. A. was playing B. am playing C. played D. play 9. He for the national team in 65 matches so far. A. has played B. has been played C. played D. is playing 10. I'm busy at the moment. I on the computer. A. work B. worked C. am working D.working 11.When I looked round the door, the baby quietly. A. is sleeping B. slept C. was sleeping D. were sleeping 12. Robert ill for three weeks. He is still in hospital. A. had been B. has been C. is D. was 13. I'm very tired. I over four hundred miles today. A. drive B. am driving C. have drived D. have driven

Giải và vẽ đồ thị a)y=x^2-2x+1 b)y=-x^2-4x-5