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Đề thi HKII 09-10 có ma trận+ Đáp án

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®Ị kiĨm tra häc k× II


*) MA TRẬN ĐỀ.

Bậc nhận
thức
Nhận biết Thông hiểu Vân dụng Tổng
TN TL TN TL TN TL Câu Điểm
Thống kê
1
0,25 1 0,25
Giá trò của biểu thức

1
0,25
1
1 2 1,25
Đa thức
1
0,25
2

1,5
2

0,5
1
0,5 6 2,75
Nghiệm của đa thức
1


0,25
1

0,5
2 0,75
Tam giác

2
2
2

0,5
1

1,5
5 4
Các đường đồng quy
trong tam giác
4
1 4

1
Tổng
6
1,5
6
4
8
4,5
20

10
A) PhÇn Tr¾c nghiƯm!"#
Bµi 1"# $%&'()*"+',-)./
01"2&32-"45"#
67#8#)89:;+*<=">)*?-
@ A  B  A - & 7 C D E
7# F G F  5  G G 5  G
H?I;"#G
B6GJK6LJM6JN64&474E6
6KO;"PBQR
!
&
!
SR

!R

&S
B6FJK6!JM6JN6
!67PTR QR

RU/
B6RQK6RQ
M6RQJRQN6RQJRQ
L6A/?I+;"PR
!
LR

GRSF
B6JK6!6

M6GJN6F6
56V,W-*;XDR
!
RS R
!
LR5
B6LR
!
RSLJK6R
!
SRL
M6RSLJN6RSF
F6Y)Z;#-PEQR

&
!
SR
!
&

<RQJ&Q
B6LJK6LJM65JN65
6MBKMUBKQF4BMQG4KMQ8"U
B6BKM'-<B6K6BKM'-<K6
M6BKM'-<M6N6BKM8*
'-6
G6M-'2U"[0<\L'
B6JK6JM6!JN6VD">6
Bµi 2: "# A%&X"]^["#">8_"Z"
)[

6)2
6)`2
67#\) "a-
<
067#"a-"b
 "#;"6
 "#;")--&,6
! "#;")-)`6
L "#;"26

B.phÇn tù luËn("#)
B i 1: à 45"# 9"PE'"Pc,

+ +
   
  
 E R &  R& S R&S QR & S R&  R& 
 R & S R& SR &  G ScQLR & R& 
Bµi 2: "# M"P

= + − + + − − −
! L   ! L !
R 5R R R  !R R R LR
 -"PR 6
 D ' 6
 MPd"PR 8U/6
Bµi 3 !45"# M

ABC
'-<B48eBA'-U'1KMA


KM 6f@
KM+&
"#N?KNQKB6
 MP)\KBN26
 MP)\
·
·
=
ABN NBM
6
 VeNV'-U'1BMV

BM 6MP)\
∆ = ∆
BAN BVN
6
0 g?BMBA'1KMBK

Bai 4: Tính giá trị của biểu thức 2x
2
+ x - 1, tại x = 2 và x =
1
3
(1
đ
)
§¸p ¸n
A) phÇn tr¾c nghiÖm (!"#)
Bµi 1 :("#

M2-   ! L 5 F  G
7 K M M B N K B K
Bµi 2: "#
M2- 

66666666666JM2- 

66666666666JM2- 

66666L666666JM2-0 

6666666!6666J
B) phÇn tù luËn("#)
Bµi 145"#

   
   


 EQR & S R&  R& SR &  R& S R& S
QR & S R & S R& R& S R& S R& SS 
QR &
 R & S R
 
  
  
  
& SR &  G ScQLR & R& 
c LR & R&  R & R& R & G
LR & R&  R & R& R & G

LR & R & R & R& R&  G

+ +
= + + - + + -
= + + - - - +
= - - + - + +
=

Bµi 2.(2đ)

= + − + + − − −
! L   ! L !
 R 5R R R  !R R R LR
QR
L
R
L
S5R
!
R
!
LR
!
S!R

R

S
QR
L

SR

S
 &RQ'#-PU
 Q
L
S6

S
QSSQL6hO& QL
 - &RQ'#-PU
 Q
L
S6

S
QFSGSQ56hO& Q5
 UR QR
L
SR

S


SSh9
≥ ≥
L 
R J R 
'1R 
> 0 '1R6hO&"PR 8/"


Bµi 3 !45"
  hi9"4',"'8
UKBQKN 
g-&)

KBN
2<Nj"Zk2 " 


·
·
·
·
· ·
·
·
= −
= −
=
⇒ =


  U ABN  KNB
NBM  KBN
KNB KBN j 
 ABN NBM


· ·

·
·
∆ ∆
= =
=
⇒∆ = ∆

 lX BAN ' BVN U 
BAN BVN  '9j
M< -&a BN -
ABN NBMj 
BAN BVN<-&aU "


∆ ∆
0  UBMBAQBMBVQVM'9BAQBV0 BANQ BVNj

KMBKQKMKNQNM'9KBQKN 
VMmNM"n'-Ud("nR@
A&BMBAmKMBK

híng d·n chÊm
A) phÇn tr¾c nghiÖm (!"#)
Bµi 1 :("#) 3]"">45"#6
M2-   ! L 5 F  G
7 K M M B N K B K
Bµi 2: "# 3]"45"#
M2- 

66666666666JM2- 


66666666666JM2- 

66666L666666JM2-0 

6666666!6666J
B) phÇn tù luËn("#)
Bµi 145"#

   
   

 EQR & S R&  R& SR &  R& S R& S45"
QR & S R & S R& R& S R& S R& SS 45"
QR &4
  
  
  
  
5" 
 R & S R& SR &  G ScQLR & R& 
c LR & R&  R & R& R & G 45"
LR & R&  R & R& R & G 45"
LR & R & R & R& R&  G 45"

+ +
= + + - + + -
= + + - - - +
ü
ï

ï
= - - + - + +
ý
ï
ï
þ
=

Bµi 2.(2đ)

= + − + + − − −
! L   ! L !
 R 5R R R  !R R R LR
QR
L
R
L
S5R
!
R
!
LR
!
S!R

R

S45"
QR
L

SR

S45" 
 &RQ'#-PU
 Q
L
S6

S45"
QSSQL6hO& QL45" 
 - &RQ'#-PU
 Q
L
S6

S45"
QFSGSQ56hO& Q545"  UR QR
L

SR

S


SSh9
≥ ≥
L 
R J R 
'1R 45" 
> 0 '1R6hO&"PR 8/"

45" 
Bµi 3 !45"
  hi9"4',"'845" 
UKBQKN 45"
g-&)

KBN
2<Nj"Zk2 " 
45"

·
·
·
·
· ·
·
·
= −
= −
=
⇒ =


  U ABN  KNB45"
NBM  KBN 45"
KNB KBN j  45"
 ABN NBM 45"


· ·

·
·
∆ ∆
= =
=
⇒∆ = ∆

 lX BAN ' BVN U 
BAN BVN  '9j 45"
M< -&a BN - 45"
ABN NBMj  45"
BAN BVN<-&aU "
45"


∆ ∆
0  UBMBAQBMBV'9BAQBVQVM0 BANQ BVNj
KMBKQKMKNQNM'9KBQKN 45"
VMmNM"n'-Ud("nR@
A&BMBAmKMBK45"

×