KT15 PHUT TOAN 9 đại số CHƯƠNG 2 2017 2018
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TRƯỜNG THCS PHÚ LÂM.
Họ và tên ………………………………………
Lớp 95
Điểm
ĐỀ KIỂM TRA ĐẠI SỐ 9 CHƯƠNG II
Năm học: 2017- 2018
Thời gian: 15 phút
Lời nhận xét cuả Cô
Ý kiến PHHS
ĐỀ:
Câu 1: Cho hàm số y (m 3) x 2 (1)
a) Tìm m để hàm số (1) đồng biến (3,0đ)
b) Vẽ đồ thị (1) với m = 2 (3,0đ)
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Câu 2: Cho ba đường thẳng
y 4 x 5...( d1 )
y x 1...(d 2 )
y (3m 2) x m 3...(d 3 )
a) Tìm giao điểm A của đường thẳng (d1) và (d2) (2,0đ)
b) Tìm m để (d1) và (d3) cắt nhau tại một điểm trên trục tung (2,0đ)
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