đề KT chương 2 ĐS 7

Chia sẻ bởi Hoàng Thị Hà | Ngày 14/10/2018 | 55

Chia sẻ tài liệu: đề KT chương 2 ĐS 7 thuộc Vật lí 8

Nội dung tài liệu:

TRƯỜNG THCS THỊ TRẤN KIỂM TRA MÔN ĐẠI SỐ.
Họ và tên:......................................................... Thời gian :45 phút
Lớp 7
Điểm





Lời phê của thầy, cô giáo

ĐỀ BÀI
Bài 1:(3đ)Tính số đo các góc của một tam giác biết chúng tỉ lệ với 2; 3; 5.
Bài 2:(4đ) a) Vẽ đồ thị các hàm số y = và y =  trên cùng một hệ trục toạ độ.
Bài 3:(3đ) Cho biết y và x tỉ lệ thuận với nhau và khi x = 6 thì y = 4.
a). Tìm hệ số tỉ lệ k của y đối với x.
b). Hãy biểu diễn y theo x.
c). Tính giá trị của y khi x = 9; x = 15
Bài làm

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