9 клас. Алгебра. №11. Квадратнична функція. Її графік і властивості

📌 My Instagram ⬇️ https://www.instagram.com/teacher__of... 📌 Telegram channel with various cheat sheets and interesting facts ⬇️ https://t.me/korusna_matematuka ❗️❗️❗️ I shoot all videos without preparation for my students. Therefore, I may make some mistakes in the calculation (we are all human😌) I apologize in advance if I made a mistake somewhere. I am very glad that my videos help you in mastering mathematical knowledge) Special thanks for the comments 💌 and feedback If the video was useful, click the "thumbs up" 👍 And subscribe so as not to miss new topics ❤️ I am waiting for your comments and feedback 😇 All the best 😇, good health 💪 and peaceful sky 💛💙