Kiểm tra viết chương III lớp: 8 môn: Đại số

Trường THCS Xuân Áng KIỂM TRA VIẾT CHƯƠNG III
Lớp: 8___ Môn: Đại số
Họ và tên: _____________________
 Điểm
Lời phê của thầy (cô) giáo
ĐỀ BÀI.
Câu 1: (6,5đ) Giải các phương trình sau : 
 a, 3x - 5 = 17 - 8x b, (x - 1)(x + 5) - 2(x + 3) = (x - 2)2 + 3 
 c, ( x + 2014)(x – 2015) = 0 d, x3 + 2x2 + x = 0 
 e, f, 
Câu 2: (3,5đ) Giải bài toán sau bằng cách lập phương trình: 
Một mảnh vườn hình chữ nhật có chu vi 150 mét. 
Tính diện tích của mảnh vườn đó biết chiều dài hơn chiều rộng 15 mét.
BÀI LÀM
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Trường THCS Xuân Áng KIỂM TRA VIẾT CHƯƠNG III
Lớp: 8___ Môn: Đại số
Họ và tên: _____________________
 Điểm
Lời phê của thầy (cô) giáo
ĐỀ BÀI.
Câu 1: (6,5đ) Giải các phương trình sau : 
 a, 2x - 6 = 15 - 4x b, (x + 1)(x - 2) - 2(x - 3) = (x - 3)2 + 3 
 c, ( x + 2013)(x – 2014) = 0 d, x3 - 2x2 + x = 0 
 e, f, 
Câu 2: (3,5đ) Giải bài toán sau bằng cách lập phương trình: 
Một mảnh vườn hình chữ nhật có chu vi 120 mét. 
Tính diện tích của mảnh vườn đó biết chiều dài hơn chiều rộng 10 mét.
BÀI LÀM
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