KIEM TRA 15 PHUT CHUONG 3
Chia sẻ bởi Lê Văn Thắng |
Ngày 13/10/2018 |
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Chia sẻ tài liệu: KIEM TRA 15 PHUT CHUONG 3 thuộc Đại số 9
Nội dung tài liệu:
TRƯỜNG THCS BÀI KIỂM TRA ĐẠI SỐ 15 PHÚT ( Bài số 3 )
HOẰNG PHU Ngày ……….tháng 2 năm 2014
Họ và tên. . . . . . . . . . . . . . . . . . . . . . . . . . lớp 9....
Điểm
Lời phê của thầy, cô giáo
chữ kí của giáo viên
Lê Văn Thắng
Phần I: Trắc nghiệm khách quan:
Bài 1 (3 điểm)
Điền dấu”X” vào ô (Đ) đúng , (S) sai tương ứng các khẳng định sau :
Các khẳng định
Đ
S
a) Số nghiệm của hệ phương trình có nghiệm duy nhất
b) Số nghiệm của hệ phương trình vô nghiệm
c) Số nghiệm của hệ phương trình vô số nghiệm
Phần II: Tự luận:
Bài 2: (6điểm) Giải các hệ phương trình sau:
a) b)
Bài 3: (1điểm) Cho hệ phương trình : ( I )
Xác định giá trị của m để để hệ (I) có nghiệm duy nhất
BÀI LÀM
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HOẰNG PHU Ngày ……….tháng 2 năm 2014
Họ và tên. . . . . . . . . . . . . . . . . . . . . . . . . . lớp 9....
Điểm
Lời phê của thầy, cô giáo
chữ kí của giáo viên
Lê Văn Thắng
Phần I: Trắc nghiệm khách quan:
Bài 1 (3 điểm)
Điền dấu”X” vào ô (Đ) đúng , (S) sai tương ứng các khẳng định sau :
Các khẳng định
Đ
S
a) Số nghiệm của hệ phương trình có nghiệm duy nhất
b) Số nghiệm của hệ phương trình vô nghiệm
c) Số nghiệm của hệ phương trình vô số nghiệm
Phần II: Tự luận:
Bài 2: (6điểm) Giải các hệ phương trình sau:
a) b)
Bài 3: (1điểm) Cho hệ phương trình : ( I )
Xác định giá trị của m để để hệ (I) có nghiệm duy nhất
BÀI LÀM
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