Đề khảo sát chất lượng
Chia sẻ bởi nguyễn quang huệ |
Ngày 13/10/2018 |
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Chia sẻ tài liệu: Đề khảo sát chất lượng thuộc Đại số 9
Nội dung tài liệu:
PHÒNG GD&ĐT TÂN SƠN
TRƯỜNG THCS LONG CỐC
ĐỀ KIỂM TRA KSCL HỌC SINH THCS
MÔN: TOÁN 9
Năm học 2017 - 2018
(Thời gian làm bài 90 phút)
Họ và tên: ...............................
Lớp: ........................................
Điểm Lời phê thầy cô
I. PHẦN TRẮC NGHIỆM KHÁCH QUAN (4.0 điểm)
Chọn phương án trả lời đúng trong các câu sau:
Câu 1. Cho hàm số y = - kết luận nào sau đây đúng:
A. Hàm số luôn nghịch biến
B. Hàm số luôn đồng biến
C. Giá trị của hàm số luôn âm
D. Giá trị của hàm số luôn dương
Câu 2. Điểm A(-2;-1) thuộc đồ thị hàm số nào sau đây?
A.
B.
C.
D.
Câu 3. Trong các phương trình sau, phương trình nào là phương trình bậc nhất hai ẩn:
A.
B.
C.
D.
Câu 4. Phương trình x2 - x - 2 = 0 có nghiệm là:
A. x = 1; x = 2
B. x = -1; x = 2
C. x = 1; x = -2
D. Vô nghiệm
Câu 5. Phương trình x2 – 6x + 9 = 0 có bằng:
A.
B.
C.
D.
Câu 6. Cặp số nào sau đây là nghiệm của hệ phương trình
A. (2;1)
B. (-2;-1)
C. (3;1)
D. (2;-1)
Câu 7. Trong một đường tròn, góc ở tâm chắn cung 1200 có số đo là :
A. 600
B. 900
C. 300
D. 1200
Câu 8. Tứ giác ABCD nội tiếp đường tròn có . Vậy số đo là :
A. 600
B.1200
C.900
D. 1800
A.
B.
C.
D.
Câu 9. Cho tứ giác ABCD nội tiếp đường tròn tâm O. Khẳng định nào sau đây là đúng:
Câu 10. Cho hình vẽ. Tính số đo góc AMB.
A.
B.
C.
D.
II. PHẦN TỰ LUẬN (6.0 điểm)
Câu 1 (1.0 điểm): Vẽ đồ thị hàm số: y = 2x2
Câu 2 (2.0 điểm): Giải các phương trình sau:
a) x2 – 3x + 2 = 0 b) 4x + 2 = 0
Câu 3 (2.0 điểm): Cho AB và CD là hai đường kính vuong góc của đường tròn (O). Trên cung nhỏ BD lấy một điểm M. Tiếp tuyến tại M cắt AB ở E, đoạn thẳng CM cắt AB ở S. Chứng minh rằng ES = EM.
Câu 4 (1.0 điểm): Tìm x và y biết: a) x + y = 11 và x.y = 30
b) x2 + y2 = 25 và x.y = 12
BÀI LÀM
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TRƯỜNG THCS LONG CỐC
ĐỀ KIỂM TRA KSCL HỌC SINH THCS
MÔN: TOÁN 9
Năm học 2017 - 2018
(Thời gian làm bài 90 phút)
Họ và tên: ...............................
Lớp: ........................................
Điểm Lời phê thầy cô
I. PHẦN TRẮC NGHIỆM KHÁCH QUAN (4.0 điểm)
Chọn phương án trả lời đúng trong các câu sau:
Câu 1. Cho hàm số y = - kết luận nào sau đây đúng:
A. Hàm số luôn nghịch biến
B. Hàm số luôn đồng biến
C. Giá trị của hàm số luôn âm
D. Giá trị của hàm số luôn dương
Câu 2. Điểm A(-2;-1) thuộc đồ thị hàm số nào sau đây?
A.
B.
C.
D.
Câu 3. Trong các phương trình sau, phương trình nào là phương trình bậc nhất hai ẩn:
A.
B.
C.
D.
Câu 4. Phương trình x2 - x - 2 = 0 có nghiệm là:
A. x = 1; x = 2
B. x = -1; x = 2
C. x = 1; x = -2
D. Vô nghiệm
Câu 5. Phương trình x2 – 6x + 9 = 0 có bằng:
A.
B.
C.
D.
Câu 6. Cặp số nào sau đây là nghiệm của hệ phương trình
A. (2;1)
B. (-2;-1)
C. (3;1)
D. (2;-1)
Câu 7. Trong một đường tròn, góc ở tâm chắn cung 1200 có số đo là :
A. 600
B. 900
C. 300
D. 1200
Câu 8. Tứ giác ABCD nội tiếp đường tròn có . Vậy số đo là :
A. 600
B.1200
C.900
D. 1800
A.
B.
C.
D.
Câu 9. Cho tứ giác ABCD nội tiếp đường tròn tâm O. Khẳng định nào sau đây là đúng:
Câu 10. Cho hình vẽ. Tính số đo góc AMB.
A.
B.
C.
D.
II. PHẦN TỰ LUẬN (6.0 điểm)
Câu 1 (1.0 điểm): Vẽ đồ thị hàm số: y = 2x2
Câu 2 (2.0 điểm): Giải các phương trình sau:
a) x2 – 3x + 2 = 0 b) 4x + 2 = 0
Câu 3 (2.0 điểm): Cho AB và CD là hai đường kính vuong góc của đường tròn (O). Trên cung nhỏ BD lấy một điểm M. Tiếp tuyến tại M cắt AB ở E, đoạn thẳng CM cắt AB ở S. Chứng minh rằng ES = EM.
Câu 4 (1.0 điểm): Tìm x và y biết: a) x + y = 11 và x.y = 30
b) x2 + y2 = 25 và x.y = 12
BÀI LÀM
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