đề kiểm tra đại số 8 kì 2 bs2
Chia sẻ bởi Vi Văn Thống |
Ngày 12/10/2018 |
62
Chia sẻ tài liệu: đề kiểm tra đại số 8 kì 2 bs2 thuộc Đại số 8
Nội dung tài liệu:
Trường THCS Cán Khê Ngày tháng năm 2013
Họ và tên ..................................... Kiểm tra (45 phút)
Lớp 8...... MÔN: ĐẠI SỐ
Điểm
Lời phê của Giáo viên
Đề bài :
Câu1(1,5đ): Cho a > b. Hãy so sánh:
a) a + 2 và b + 2 b) - 2a và -2b
Câu2 (2đ): Cho a < b, chứng minh: - 4a – 2 > - 4b - 4
Câu 3 (2đ): Giải các bất phương trình bậc nhất một ẩn sau:
a) 2x – 4 > 0 b) -5x + 15
Câu 4(2đ): Giải bất phương trình sau và biểu diễn tập nghiệm trên trục số.
3x – 5 7x + 7
Câu 5(2,5đ): Giải phương trình chứa dấu giá trị tuyệt đối sau:
Bài làm
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Họ và tên ..................................... Kiểm tra (45 phút)
Lớp 8...... MÔN: ĐẠI SỐ
Điểm
Lời phê của Giáo viên
Đề bài :
Câu1(1,5đ): Cho a > b. Hãy so sánh:
a) a + 2 và b + 2 b) - 2a và -2b
Câu2 (2đ): Cho a < b, chứng minh: - 4a – 2 > - 4b - 4
Câu 3 (2đ): Giải các bất phương trình bậc nhất một ẩn sau:
a) 2x – 4 > 0 b) -5x + 15
Câu 4(2đ): Giải bất phương trình sau và biểu diễn tập nghiệm trên trục số.
3x – 5 7x + 7
Câu 5(2,5đ): Giải phương trình chứa dấu giá trị tuyệt đối sau:
Bài làm
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