Câu 2 ( 3.5 đ )
a) Lập bảng biến thiên và vẽ đồ thị
b) Xác định P(x) : y = ax + bx - 1 .Biết P(x) đi qua A ( 1 ; -2 ) , B ( 2; 3 )
Câu 3 ( 1.5 đ ) Tìm tọa độ giao điểm của 2 đường thẳng y = 4x – 12 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
a) Đi qua A ( 1; -10 ) và B ( 3 ; 8 )
b) Đi qua N ( 4 ; -3 ) và song song với y” = -2x + 1
ĐỀ 2 Trung Tâm GDTX Quận 6 ĐỀ KIỂM TRA MỘT TIẾT Lớp : 10 ______ Môn : Đại Số 10 Tên HV : ______________________ Đề : 2 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+ bx - 1 .Biết P(x) đi qua A ( 1 ; -2 ) , B ( 2; 3 ) Câu 3 ( 1.5 đ ) Tìm tọa độ giao điểm của 2 đường thẳng y = 4x – 12 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; -10 ) và B ( 3 ; 8 ) b) Đi qua N ( 4 ; -3 ) và song song với y” = -2x + 1 BÀI LÀM : _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ 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