De kt

Chia sẻ bởi Trần Hữu Tri | Ngày 18/10/2018 | 97

Chia sẻ tài liệu: de kt thuộc Hình học 9

Nội dung tài liệu:

Họ và tên: ...................................... Điểm
Lớp:................................................

Kiểm tra đại số 45’



Câu 1:( 3đ ) Cho hai hàm số:  và 
a, Vẽ các đồ thị của hai hàm số này trên cùng một mặt phẳng toạ độ
b, Tìm hoành độ giao điểm của hai đồ thị

Câu 2: ( 4,5đ )Giải phương trình
a. 6 x2 – 5x - 1 = 0 b. 4x2 - 16 = 0
c. 2x2 - 2x - 5 = 0
Câu 4: ( 2,5đ )Tìm m để phương trình x2 – 4x - m = 0 có nghiệm kép.
Bài làm:
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Người chia sẻ: Trần Hữu Tri
Dung lượng: | Lượt tài: 4
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