TRƯỜNG THCS NGUYỄN HIỀN
Họ, tên HS: …………………….....................................
Lớp: 9/…………
KIỂM TRA CUỐI HỌC KỲ I
Năm học: 2024 - 2025
MÔN TOÁN LỚP 9
Thời gian làm bài: 90 phút
(Không kể thời gian giao đề)
ĐIỂM
ĐỀ CHÍNH THỨC MÃ ĐỀ A
(Đề gồm có 2 trang)
I. TRẮC NGHIỆM (3,0 điểm) Chọn phương án trả lời đúng trong các câu sau:
Câu 1. Hệ Phương trình nào dưới đây là hệ phương trình bậc nhất hai ẩn
A.
1
3;
x y
y z
+ =
+ =
B.
2
2 3
1;
x y
x y
+ =
=
C.
1
2 1;
x y
y
+ =
=
D.
2
0 0 0.
x y
x y
=
+ =
Câu 2. Nghiệm của bất phương trình -2x + 1 > 0 là:
A. x < 0,5 B. x > 0,5 C. x > -0,5 D. x < -0,5
Câu 3. Cho tam giác ABC vuông tại A,
, ,BC a AC b AB c= = =
cosB bằng
A.
010009000003280300000000ff02000000000400000003010800050000000b0200000000050000000c0
21a000800030000001e0004000000070104000400000007010400ff020000410b2000cc0025000a0000
0000001900070000000000280000000a00000025000000010008000000000000000000000000000000
0000000000000000000000000000ffffff0066b6db00003a3a00b6660000ffffdb003a90db003a000000db
b69000db903a0066b6ff00ffb666000066b600903a0000b6ffff0000006600ffdbdb00dbffff00003a90003
a90b600b6663a0090dbff00003a6600db9066003a003a00ffdb900066000000dbffb6003a669000ffffb60
0663a000090666600ffdbb60000003a003a0066003a6666000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
000001010101010101010101d24301010101010101010101004401010101010101010101d5430e2223
00001e20010101004411121a20111307190101d84301061a1d01010c0d05010044010a071901010a000
b01db430115210b01010e0f090100440111121a1d010e0f0901de4301010c1e1f2015210901004401010
61a1b1c000d1d01e14301011518190101010101004401010e0f090101010101e443010e0f0004010101
0101004401010101010101010101e74301010101010101010101004401010101010101010101ea4301
010101010101010101004401010101010101010101ed43010101010101010101010044000000000000
00000000f04301010101010101010101004401010101010101010101f24301010101010101010101004
401010101010101010101f54301010101010101010101004401010101010101010101f8430115160007
1701010101000011120d0511131405010100800e0f0901010110010101ffff0e0f0401010101010101200
0010c0d050101010101010000010a000b010101010101008001010607080106090101ffff01010102030
0000405012000010101010101010101010000010101010101010101010080040000002701ffff030000
000000
B.0100090000038a03000000006103000000000400000003010800050000000b020000000005000000
0c021c000b00030000001e000400000007010400040000000701040061030000410b2000cc0028000f0
0000000001b000a0000000000280000000f00000028000000010008000000000000000000000000000
0000000000000000000000000000000ffffff00b6ffff0000006600b6660000db903a0090dbff003a003a00
ffdb90003a90db0066000000dbffb6003a669000903a0000ffffb6000066b600663a000090666600ffdbb6
0000003a00dbffff00003a9000ffb6660066b6ff003a000000ffffdb003a90b6003a0066003a66660066b6d
b00003a3a00dbb69000ffdbdb00b6663a00003a6600db90660000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
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0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000101010101010101010101010101018001010101010101010101010101010100010101010101
0101010101010101010001010101010106220018230101010100010101010114150d19141a21190101
0001010101010203050101012001010100010101010102030401010101010101000101010101010f0d
1901010101010100010101010101170016010101010101000101010101010109181f01090501010001
010101010101011d1e0000041901000101010101010101010101010101010001010101010101010101
0101010101000101010101010101010101010101010001010101010101010101010101010100010101
0101010101010101010101010001010101010101010101010101010100010101010101010101010101
0101010001010101010101010101010101010100010101010101010101010101010101000101010101
0000000000000000000000010101010101010101010101010101000101010101010101010101010101
0100010101010101010101010101010101000101010101010101010101010101010001010101010101
010101010101010100010101010101010101010101010101000101010101021b1c0000101201010100
010101010114150a12141a1808010100010101010101090a0e01010f0d1901000101010101011718080
10117001601000101010101010613160101020305010001010101010114150a0e01020305010001010
1010101010f101112061305010001010101010101090a0b0c000d0e0100010101010101010607080101
0101010001010101010101020305010101010100010101010101020300040101010101000101010101
010101010101010101010601010101010101010101010101010100040000002701ffff030000000000
C.
010009000003280300000000ff02000000000400000003010800050000000b0200000000050000000c0
21a000800030000001e0004000000070104000400000007010400ff020000410b2000cc0025000a0000
0000001900070000000000280000000a00000025000000010008000000000000000000000000000000
0000000000000000000000000000ffffff0066b6db00003a3a00b6660000ffffdb003a90db003a000000db
b69000db903a0066b6ff00ffb666000066b600903a0000b6ffff0000006600ffdbdb00dbffff00003a90003
a90b600b6663a0090dbff00003a6600db9066006690db0000003a003a3a00003a6666003a66b600ffdb9
00066000000ffffb6009066000090b6db00909066000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000000000000000000000
00000001010101010101010101d24301010101010101010101004401010101010101010101d543010a
190717111200140500441112200521220f0b0217d8430e0f0901010a0009010100440e0f040101111204
0101db43010c0d050101061e1f010044010a000b01010a071d01de4301011c07080118000b010044010
1011819001a1b0401e14301010101010101010101004401010101010101010101e4430101010101010
1010101004401010101010101010101e74301010101010101010101004401010101010101010101ea4
301010101010101010101004401010101010101010101ed43010101010101010101010044000000000
00000000000f04301010101010101010101004401010101010101010101f24301010101010101010101
004401010101010101010101f54301010101010101010101004401010101010101010101f8430115160
0071701010101000011120d0511131405010100800e0f0901010110010101ffff0e0f0401010101010101
2000010c0d050101010101010000010a000b010101010101008001010607080106090101ffff01010102
0300000405012000010101010101010101010000010101010101010101010080040000002701ffff030
000000000 D.
Câu 4. Căn bậc hai của 9 là:
A.3 B. -3 C. 3 và -3 D. và -
Câu 5. Rút gọn biểu thức
0100090000031a1500000000f114000000000400000003010800050000000b0200000000050000000c0
226007400030000001e0004000000070104000400000007010400f1140000410b2000cc003800ac0000
000000250073000000000028000000ac00000038000000010008000000000000000000000000000000