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II. GV: NGUYÊ
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P DĐ: 0988655868
ĐÊ
̀
SÔ
́
1.
Câu 1(3 điê
̉
m)










( )




x ax a
f x
x
x

+ +

=

−

−







!



"







 
x x
y
x
+
=
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 '$
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
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








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!-./0
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
*
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2 3CD SAD⊥
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ĐÊ
̀
SÔ
́
2.
Câu 1(3 điê
̉
m)











6 7


x
x x
x
→−

+ +

=

−

−







!



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
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#
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$
#

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
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=
−
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
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









x x
y
x
+
=
+


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)



*

 51-.*

*


2./031-.&
 (

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
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BD SC
⊥
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 8
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
 
 
 x mx mx+ + − =
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





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$
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:(
*
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x ≥
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x <
*
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











, 6 


x
x x
x
→−
− −
−



  


x
x x
x

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!
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
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

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$
#




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


$
#
%&;
Câu 3(2 điê
̉
m)
 














x x
y
x
+
=
+
$

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


*


(


 

/0
 (

"+


BD AC
⊥

 (

"+


( )
AH BCD⊥

 


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(
4
(

+
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

#

$
#

< y ≤




!$
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


[
)
=−
ĐÊ
̀
SÔ
́
4.
Câu 1(3 điê
̉
m)


−
Câu 2:(1,5 điê
̉
m) 




( )
( )

  

ax x
f x
x x

+ −

=

+












#






 
x x
y
x
+
=
−
 '$

!("

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
!)$


#




+
#


!("





y x= −

Câu 4:(3 điê
̉
m) 

(

:$

$

./0

8

9

$



(
4
(

+
#
.*

+

!+
#
2/03
Câu 5: (0,5 điê
̉
m)(

"+

!("


( )
  x x=


$



P DĐ: 0988655868
ĐÊ
̀
SÔ
́
5.
Câu 1(3 điê
̉
m)












,  


x
x x
x
→
− −
−


=

+ −








!
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
"


#
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$
#

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
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$


 '$

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
#
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

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
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
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
*
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-.&8
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(
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
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
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


Câu 5: (0,5 điê
̉
m)(

"+

!("


 
  mx x x+ + − =
2



3
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$

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− −
−

( )

 


x
x x
x
→
− − −
−
Câu 2:(1,5 điê
̉
m) 




( )
( )

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x a x
f x
x x

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$



$
#
%&
Câu 3(2 điê
̉
m)
 






#





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
x
y
x


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
*
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(
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+
#
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
!("


6 y x= −

Câu 4:(3 điê
̉
m) 



!-./

./
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( )
BC SAG⊥
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


AB CG⊥
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 8
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
"$
#

#
-.1



(
4
(

+
#



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

"


#

*


x ≥
*


x <
*


x
>
*


x
≤
ĐÊ
̀

 


   

 
x
x x x
x x
→
− + −
− +


 


x
x x
x
→
− −
−
Câu 2:(1,5 điê
̉
m) 






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$
#



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


$
#
%&
Câu 3(2 điê
̉
m)
 






#





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