Đề kiểm tra 15' môn Đại Số lớp 8 - trường THCS Phương Liệt

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Gv: Nguyễn Nhật Tân

Trường THCS Phương Liệt KIỂM TRA 15 PHÚT ( BÀI SỐ 1 )

Họ tên:…………………….......... MÔN ĐẠI SỐ 8

Lớp: ………

ĐiểmLời phê của giáo viênChữ ký của PHHS

Đề bài

Bài 1: ( 4 điểm) Phaân tích ña thöùc thaønh nhaân töû:

a)

a)

Bài 2: (5 điểm) Tìm x:

b)

c)

Bài 3: (1 điểm) Cho biểu thức A = . Tìm giá trị nhỏ nhất của A.

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Trường THCS Phương Liệt KIỂM TRA 15 PHÚT ( BÀI SỐ 1 )

Họ tên:…………………….......... MÔN ĐẠI SỐ 8

Lớp: ………

ĐiểmLời phê của giáo viênChữ ký của PHHS

Đề bài

Bài 1: ( 4 điểm) Phaân tích ña thöùc thaønh nhaân töû:

a)

a)

Bài 2: (5 điểm) Tìm x:

b)

c)

Bài 3: (1 điểm) Cho biểu thức A = . Tìm giá trị nhỏ nhất của A.

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