Kt ĐẠI 59- HÌNH 57 L9
Chia sẻ bởi Nguyễn Ngọc Vũ |
Ngày 13/10/2018 |
44
Chia sẻ tài liệu: kt ĐẠI 59- HÌNH 57 L9 thuộc Đại số 9
Nội dung tài liệu:
Họ và tên:...............................................................
Đề kiểm tra - 1
Lớp 9A
môn: ĐẠI SỐ
Điểm
Lời phê của cô giáo
Bài 1: Cho hàm số y = - x2 và y = - x - 6
a) Vẽ đồ thị của 2 hàm số trên cùng 1 mặt phẳng tọa độ.
b) Xác định tọa độ giao điểm A và B của 2 đồ thị.
Bài 2: Giải phương trình sau:
a) 5x2 + 2x -16 = 0 b)2x2 - 5x + 1 = 0 c)
Bài 3: Cho phương trình: (m - 1)x2 - 2(m - 1)x + m = 0 ( ẩn x)
a) Giải phương trình với m = - 4
b) Định m để phương trình có 2 nghiệm phân biệt.
c) Định m để phương trình có hai nghiệm phân biệt cùng dương.
BàI LàM
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Họ và tên:...............................................................
Đề kiểm tra - 2
Lớp 9A
môn: Đại số
Điểm
Lời phê của cô giáo
Bài 1: Cho hàm số y = x2 và y = - x + 6
a) Vẽ đồ thị của 2 hàm số trên cùng 1 mặt phẳng tọa độ.
b) Xác định tọa độ giao điểm C và D của 2 đồ thị.
Bài 2: Giải phương trình sau:
a) - 3x2 + 14x - 8 = 0 b) 2x2 + 5x + 1 = 0 c) (2 + )x2 - - 2 = 0
Bài 3: Cho phương trình: (m + 1)x2 + 2(m + 1)x + m = 0 ( ẩn x)
a)Giải phương trình với m = - 4
b) Định m để phương trình có 2 nghiệm phân biệt.
c) Định m để phương trình có hai nghiệm phân biệt đều âm.
BàI LàM
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Họ và tên:...............................................................
Đề kiểm tra
Lớp 9C
môn: HìNH HọC
Điểm
Lời phê của cô giáo
Bài 1. (2điểm) Hãy nêu tên mỗi góc trong các hình dưới đây, đặt tên góc và nêu cách tính số đo của các góc trong các hình.
Bài 2: (2điểm) Cho tam giác đều ABC có cạnh bằng 6 cm .Vẽ đường tròn ngoại tiếp , đường tròn nội tiếp tam giác đều.
Bài 3: (6điểm) Cho (ABC nội tiếp đường tròn (O) có góc A = 800. Gọi I là điểm chính giữa cung nhỏ BC. Vẽ hai dây IE, IF lần lượt cắt cạnh BC tại M, N.
a) Tính số đo góc BIC
b) Tính diện tích hình quạt giới hạn bởi hai bán kính OB và OC.
c) Chứng minh tứ giác MNFE nội tiếp.
d) Chứng minh IN. IF = IM. IE.
e) Goi K là giao điểm của BC và AI, chứng minh AB.KC = KB.AC
BàI LàM
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SỞ GIÁO DỤC VÀ ĐÀO TẠO KỲ THI TUYỂN SINH LỚP 10 THPT
HÀ NỘI Năm học: 2012 – 2013
ĐỀ CHÍNH THỨC Môn thi: Toán
Ngày thi: 21 tháng 6 năm 2012
Thời gian làm bài: 120 phút
Bài I (2,5 điểm)
1) Cho biểu thức . Tính giá trị
Đề kiểm tra - 1
Lớp 9A
môn: ĐẠI SỐ
Điểm
Lời phê của cô giáo
Bài 1: Cho hàm số y = - x2 và y = - x - 6
a) Vẽ đồ thị của 2 hàm số trên cùng 1 mặt phẳng tọa độ.
b) Xác định tọa độ giao điểm A và B của 2 đồ thị.
Bài 2: Giải phương trình sau:
a) 5x2 + 2x -16 = 0 b)2x2 - 5x + 1 = 0 c)
Bài 3: Cho phương trình: (m - 1)x2 - 2(m - 1)x + m = 0 ( ẩn x)
a) Giải phương trình với m = - 4
b) Định m để phương trình có 2 nghiệm phân biệt.
c) Định m để phương trình có hai nghiệm phân biệt cùng dương.
BàI LàM
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Họ và tên:...............................................................
Đề kiểm tra - 2
Lớp 9A
môn: Đại số
Điểm
Lời phê của cô giáo
Bài 1: Cho hàm số y = x2 và y = - x + 6
a) Vẽ đồ thị của 2 hàm số trên cùng 1 mặt phẳng tọa độ.
b) Xác định tọa độ giao điểm C và D của 2 đồ thị.
Bài 2: Giải phương trình sau:
a) - 3x2 + 14x - 8 = 0 b) 2x2 + 5x + 1 = 0 c) (2 + )x2 - - 2 = 0
Bài 3: Cho phương trình: (m + 1)x2 + 2(m + 1)x + m = 0 ( ẩn x)
a)Giải phương trình với m = - 4
b) Định m để phương trình có 2 nghiệm phân biệt.
c) Định m để phương trình có hai nghiệm phân biệt đều âm.
BàI LàM
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Họ và tên:...............................................................
Đề kiểm tra
Lớp 9C
môn: HìNH HọC
Điểm
Lời phê của cô giáo
Bài 1. (2điểm) Hãy nêu tên mỗi góc trong các hình dưới đây, đặt tên góc và nêu cách tính số đo của các góc trong các hình.
Bài 2: (2điểm) Cho tam giác đều ABC có cạnh bằng 6 cm .Vẽ đường tròn ngoại tiếp , đường tròn nội tiếp tam giác đều.
Bài 3: (6điểm) Cho (ABC nội tiếp đường tròn (O) có góc A = 800. Gọi I là điểm chính giữa cung nhỏ BC. Vẽ hai dây IE, IF lần lượt cắt cạnh BC tại M, N.
a) Tính số đo góc BIC
b) Tính diện tích hình quạt giới hạn bởi hai bán kính OB và OC.
c) Chứng minh tứ giác MNFE nội tiếp.
d) Chứng minh IN. IF = IM. IE.
e) Goi K là giao điểm của BC và AI, chứng minh AB.KC = KB.AC
BàI LàM
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SỞ GIÁO DỤC VÀ ĐÀO TẠO KỲ THI TUYỂN SINH LỚP 10 THPT
HÀ NỘI Năm học: 2012 – 2013
ĐỀ CHÍNH THỨC Môn thi: Toán
Ngày thi: 21 tháng 6 năm 2012
Thời gian làm bài: 120 phút
Bài I (2,5 điểm)
1) Cho biểu thức . Tính giá trị
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