Câu 2 ( 3.5 đ )
a) Lập bảng biến thiên và vẽ đồ thị
b) Xác định P(x) : y = ax -3x + c .Biết P(x) đi qua A ( 2 ; -5 ) , B ( -1; 6 )
Câu 3 ( 1.5 đ ) Tìm tọa độ giao điểm của 2 đường thẳng y = 5x – 14 và y = -3x + 2
Câu 4 ( 1 đ ) CMR hàm số y = x -4x + 2 là hàm số chẵn
ĐỀ 4 Trung Tâm GDTX Quận 6 ĐỀ KIỂM TRA MỘT TIẾT Lớp : 10 ______ Môn : Đại Số 10 Tên HV : ______________________ Đề : 4 Điểm Nhận xét của GVBM Câu 1 (2 đ ) : Tìm tập xác định của các hàm số sau a) y = b) y = Câu 2 ( 3.5 đ ) Lập bảng biến thiên và vẽ đồ thị Xác định P(x) : y = ax-3x + c .Biết P(x) đi qua A ( 2 ; -5 ) , B ( -1; 6 ) Câu 3 ( 1.5 đ ) Tìm tọa độ giao điểm của 2 đường thẳng y = 5x – 14 và y = -3x + 2 Câu 4 ( 1 đ ) CMR hàm số y = x-4x+ 2 là hàm số chẵn Câu 5 ( 2 đ ) Xác định a ,b sao cho hàm số y = ax + b Đi qua A (-1; 3 ) và B ( 1 ; 2 ) b)Đi qua N ( 5 ; 3 ) và song song với y” = -2x - 8 BÀI LÀM : _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ 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