Kiểm tra chương III (Lớp chọn )
Chia sẻ bởi Nguyễn Quốc Trung |
Ngày 12/10/2018 |
46
Chia sẻ tài liệu: Kiểm tra chương III (Lớp chọn ) thuộc Đại số 8
Nội dung tài liệu:
Họ và tên: ……………………………………………………..
Lớp 8B
ĐỀ RA
Câu 1. Giải các phương trình sau
2(x – 5) – (4 - x) = 12( 3 - x) b. 2x2 – 3x = 0
d.
Câu 2. Cho phương trình (ẩn x)
(m+ 1)x + 4 = 2x + 5(m + 1)
Giải phương trình khi m =2
Tìm m biết phương trình có nghiệm x = 3
Tìm m để phương trình vô nghiệm
Câu 3. Một x ưởng đóng giầy cần phải hoàn thành kế hoạch trong 25 ngày.
Thực tế, xư ởng đã v ượt mức mỗi ngày 6 đôi nên sau 20 ngày chẳng những hoàn thành kế hoạch mà còn làm thêm đ ược 20 đôi giày. Hổi xư ởng phải đóng bao nhiêu đôi giày theo kế hoạch ?
BÀI LÀM
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Lớp 8B
ĐỀ RA
Câu 1. Giải các phương trình sau
2(x – 5) – (4 - x) = 12( 3 - x) b. 2x2 – 3x = 0
d.
Câu 2. Cho phương trình (ẩn x)
(m+ 1)x + 4 = 2x + 5(m + 1)
Giải phương trình khi m =2
Tìm m biết phương trình có nghiệm x = 3
Tìm m để phương trình vô nghiệm
Câu 3. Một x ưởng đóng giầy cần phải hoàn thành kế hoạch trong 25 ngày.
Thực tế, xư ởng đã v ượt mức mỗi ngày 6 đôi nên sau 20 ngày chẳng những hoàn thành kế hoạch mà còn làm thêm đ ược 20 đôi giày. Hổi xư ởng phải đóng bao nhiêu đôi giày theo kế hoạch ?
BÀI LÀM
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