Đề thi toán lớp 9

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Trường THCS Vĩnh Tân THỜI GIAN : 90 Phút
Toán lớp 9 MÔN : TOÁN LP 9
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)=J-
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)=J-
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)=J
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,

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A.EA∈ E.∈™ ="F*0LF$20$#N$#D"32`"F*20$#$#&"A.•=
Bp6$
-+#)=J
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)
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3
5
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,
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ĐỀ THI HỌC K I (tham khảo)
Năm học 2011-2012
Môn : Toán 9
Thời gian: 90' (Không kể thời gian phát đề)
Đề bài
Câu 1: (1,5 điểm)
EaX"#"@Nn$&29:62›$12
5: G
+
2;$#<W
'EI$(

,G
5
J,
G,J
−
−
+
+
Câu 2:(2điểm)^+#R$2@2'"/012>0(
i=








−








−
+
−

+
−
a
a
a
a
a
a ?
5
5
5
5
BX"†)E
≠
?
'i=""*H„$#N6$(
m?J
G
?
JG5)?
=+++−+
xxx
Câu 3:(2 điểm).&>K'k2$ŒL45 :MG
EaX"#"@Nn$&296&>K-z$#'"F$W$#n2'"F$W
' ap-zn&>KBX"4G
2E{@2-n$#"@Nn29-/-zn&>K-"|0-"/35VJ 
Câu 4:(2 điểm)
EI$:ELN$#6$Bp(
'EI$#;2AE#;2.B&T"8$I2#"@23A.W
Câu 5:(2,5 điểm).#"@23A.E2@2-H!$#2AB&.‚=

E.1$#"$NO$#'K$-"/AE‚EE.2~$#0S2S-H!$#N]$
'EN\$$“P*Q$#2;'!A.21-"/EŠ2@2"F*0LF$A:E.L="F*0LF$BX"-H!$#N]$
D"2`"A:B&.L%h$%HlD"B&=I$#;2W
HÕt
Đáp án Điểm
Câu 1
1,5 đ
E
5: G
+
:@2-n$"
G
5: G ) :
5
−
+ ≥ <=> ≥
'i="$(
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J,
,JG
−=
−−=
−
+
−
+

+

)EJ
)EJ
)EJ
Câu 2
2 đ
i








−








−
+
−
+
−

a
a
a
a
a
a ?
5
5
5
5
BX"†)E
≠
?
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

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
−
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−
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a
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a ?
5 5
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b 1#"@23A%&6$#6Wa6>W=
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T .1$#"$(‚4.
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ĐỀ KI"M TRA HỌC K I
Bài 1: G-"/
^+#R$2@2'"/012(
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( ) ( )
55
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' 

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,
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,
+
+
−
c)
)mG??5,G =+−−−+− xxx

Bài 2: GEJ-"/
."-H!$#Q$#T (L45:Y5
T} (L4:M,
 {@2-n$8>KE'29T B&T}
' apT B&T}
2 6R-S#"-"/29T B&T}
Bài 3: GEJ-"/
.#"@23A.B0C$#D"3E-H!$#23=ap-H!$#N]$c3E'@$I$3=gAB&.Š
2@2"F*0LF$AE.‚BX"-H!$#N]$E‚%&"F*-"/
 .1$#"$(AM.‚4A.
' .1$#"$'-"/E3E‚Q$#&$#
2 .1$#"$‚%&"F*0LF$29-H!$#N]$-H!$#I$A.
Phòng GD Huyện Tân Uyên ĐỀ KI"M TRA HỌC K I (THAM KH%O)
Trường THCS Vĩnh Tân THỜI GIAN : 90 Phút
Câu 1(^+#R$2@2'"/012>0(,EJ-
 
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'
5G ? ,J 5G ? ,J
+ − −

Câu 2 : ""*H„$#N6$#B&'Œ*H„$#N6$>0(5-
 
, Jx + ≤
' 
5
 m , •x x− + =
Câu 3:,EJ-
.T
,
(L4:YGV T
5
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5
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Câu 4(,EJ-
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G
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Câu 5 (3,5đ)
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T .1$#"$‚A4‚.

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A&"G(,- ""*H„$#N6$( =
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T ap-zn B& N\$2~$#S8N’2R-S
b 6R-S#"-"/329 B& 'O$#*[*@$
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>$#BX" B&2`N’20$#D"-"/2;0$#-S'O$#Y5
A&"J(GEJ- .$“-H!$#N]$cE-H!$#I$3A=Š2@2"F*0LF$3:EAL2~$#*IBX"
$“-H!$#N]$-K"BX"3A=ap'@$I$‚'Œ”="F*0LF$29$“-H!$#N]$D"‚2`3:EAL
b1_•.E
T .1$#"$NO$#.43.MA
b I$>K-#;2.
Ÿ R"%&#"-"/29.B&3‚E#R"%&#"-"/29B&A‚=1#"@2
‚%&6$#6Wa6>W=
NH!$#.w@$A6$
ĐỀ THI KI"M TRA HỌC KÌ I. NĂM HỌC 2011 – 2012
C$"(TOÁN 9
ĐỀ BI:

Câu 1:,EJ-"/ .'"/01234
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+− xx
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'i6:"345
Câu 2:,-"/ ^+#R$2@2'"/012>0(
i
5Z Z?,,
+−
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xxxx Z55,•
G
,
•5 −+−
BX":†)
Câu 3:,EJ-"/
.&>K
5
x
y −=
T
,
B&&>KL45:MGT
5

iapT
,
B&T
5

N\$2~$#P*Q$#R-S=
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G
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ĐỀ THI HỌC K I (tham khảo)
Năm học 2011-2012
Môn : Toán 9
Thời gian: 90' (Không kể thời gian phát đề)
Đề bài
Câu 1: (1,5 điểm)
EaX"#"@Nn$&29:62›$12
5: G
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5
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G,J
−
−
+
+

Câu 2:(2điểm)^+#R$2@2'"/012>0(
i=
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m?J
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Câu 3:(2 điểm).&>K'k2$ŒL45 :MG
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Câu 4:(2 điểm)
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Câu 5:(2,5 điểm).#"@23A.E2@2-H!$#2AB&.‚=
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uy. ĐỀ KI"M TRA HỌC K I
Môn TOÁN – KHỐI 9
Thời gian làm bài 90 phút
(Không kể thời gian phát đề)
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5
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,m ,m   ? ? ,m ,x x x x+ − + + + = − +
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m
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