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pvu93118
2 năm trước
mấy bạn giúp mik nha Bài 1: Cho hàm số y=ax2. a) Tìm hệ số a, biết rằng đồ thị của nó đi qua điểm M (2;1). b) Vẽ đồ thị của hàm số với a vừa tìm được b) Tìm tung độ của điểm thuộc parabol có hoành độ bằng −3. c) Tìm các điểm thuộc parabol có tung độ bằng 8.
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