Kiểm tra một tiết chương III lớp: 9 môn: Đại số

Trường THCS Xuân Áng KIỂM TRA MỘT TIẾT CHƯƠNG III
Lớp: 9___ Môn: Đại số
Họ và tên: ____________________
 Điểm
 Lời phê của thầy (cô) giáo
ĐỀ BÀI (Đề 1)
Câu1 (2 đ): Cho hàm số : y = ax + b. Tìm a và b để đồ thị hàm số đi qua A(0 ; 3) và B( 1 ; 4)
Câu 2 ( 4 đ): 
Giải các hệ phương trình sau: 
 a ) b) c) 
Câu 3 (4 đ): Giải bài toán sau bằng cách lập hệ phương trình :
Một mảnh vườn hình chữ nhật có chu vi 100 mét . Nếu ta tăng mỗi kích thước thêm 10 mét thì ta được ba lần chiều dài bằng bốn lần chiều rộng. Tính diện tích của mảnh vườn .
BÀI LÀM
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Trường THCS Xuân Áng KIỂM TRA MỘT TIẾT CHƯƠNG III
Lớp: 9___ Môn: Đại số
Họ và tên: ____________________
 Điểm
 Lời phê của thầy (cô) giáo
ĐỀ BÀI (Đề 2)
Câu1 (2 đ): Cho phương trình : mx + (m+1)y - 5 =0 
Tìm m để (0; 3) là một nghiệm của phương trình. 
Câu 2 ( 4 đ): 
Giải các hệ phương trình sau: 
 a ) b) c) 
Câu 3 (4 đ): Giải bài toán sau bằng cách lập hệ phương trình :
Một mảnh vườn hình chữ nhật có chu vi 100 mét . Hai lần chiều rộng hơn lần chiều dài là 10 mét. Tính diện tích của mảnh vườn .
BÀI LÀM
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