Kiểm tra 1 tiết Lớp: 12/11 Môn: Giải tích 12

Họ và tên:.......................................	Kiểm tra 1 tiết
Lớp: 12/11	Môn: Giải tích 12
Câu 1 (7đ): Cho hàm số y= (1)
a/Khảo sát và vẽ đồ thị hàm số (1)
b/Viết PTTT của đồ thị hàm số (1) biết tiếp tuyến vuông góc đường thẳng: 4x + 3y -2 =0.
c/ Tìm m để đường thẳng y= mx + m-1 cắt đồ thị (1) tại 2 điểm phân biệt có hoành độ trái dấu.
Câu 3: (3đ) Tìm m để phương trình: cos2x +3sinx - m = 0 có đúng 2 nghiệm x nằm trong 
[0; ]
Bài làm
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Họ và tên:.......................................	Kiểm tra 1 tiết
Lớp: 12/8	Môn: Giải tích 12
Câu 1 (7đ): Cho hàm số y= (1)
a/Khảo sát và vẽ đồ thị hàm số (1)
b/Viết PTTT của đồ thị hàm số (1) biết tiếp tuyến song song đường thẳng: 8x + 9y -2 =0
c/ Tìm m để đường thẳng y= mx + m+1 cắt đồ thị (1) tại 2 điểm phân biệt có hoành độ trái dấu.
Câu 2(3đ) Tìm m phương trình: cos2x - 3cosx - m = 0 có đúng 2 nghiệm x nằm trong []
Bài làm
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