Cho parabol y = f (x) = ax 2 + bx + c (...
Câu hỏi: Cho parabol y = f (x) = ax 2 + bx + c (a ≠ 0) có bảng biến thiên như hình dưới đây![](data:image/png;base64,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)
A. I (5; 1)
B. I (−1; −5)
C. I (−1; 0)
D. I (−1; 5)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi giữa HK1 môn Toán Đại 10 năm 2020 Trường THPT Nguyễn An Ninh