Kiểm tra 45 phút môn: Đại số 9 - Đề 1

Họ và tên: KIỂM TRA 45’ Đề 1
Lớp: 9/1 Môn: Đại số 9
Điểm:
Lời phê của Thầy , Cô:
Bài 1: (2đ) Tìm x để mỗi căn thức sau có nghĩa:
 a) b) 
Bài 2: (4,5đ) Rút gọn biểu thức sau:
 a) 
 b) 
 c) 
Bài 3: (1,5đ) Tìm x biết: 
Bài 4: (2đ) Cho biểu thức:
 A = với và 
 a) Rút gọn A.
 b) Tìm x để A < 2
Bài làm:
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Họ và tên: KIỂM TRA 45’ Đề 2
Lớp: 9/1 Môn: Đại số 9
Điểm:
Lời phê của Thầy , Cô:
Bài 1: (2đ) Tìm x để mỗi căn thức sau có nghĩa:
 a) b) 
Bài 2: (4,5đ) Rút gọn biểu thức sau:
 a) 
 b) 
 c) 
Bài 3: (1,5đ) Tìm x biết: 
Bài 4: (2đ) Cho biểu thức:
 A = với và 
 a) Rút gọn A.
 b) Tìm x để A < 3
Bài làm:
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