Thi HOC KI I TOAN 9 NH: 2010-2011

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Thi HOC KI I TOAN 9 NH: 2010-2011

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ĐÊ ̀ KIÊ ̉ M TRA HO ̣ C KY ̀ I MÔN TOA ́ N ( THƠ ̀ I GIAN 90 ’)  TRĂ ́ C NGHIÊ ̣ M KHA ́ CH QUAN    Câu1:     x −        x − Câu 2:      x− !   " #$  !  !  % "    x ≥   x ≥ −   x ≤   x ≤ − Câu3&$%'    x y− = (  ) "  " *!    + +−   − ++   −  Câu 4:,!  % " !  (  !!#!  '  !$    -!./%  !0 1 +   + y a x b= − − + #!  1     2 y a x b= − + −  2   a b= =   2  a b= =    2 a b= =   2  a b= = Câu53%(!    -!  !  () " )   " !  -)   + +  y x= − −   M −   4N −  + +P −    +Q − C âu 6: )   " )  5!    !6$%'    4x y− = *!   ∈ ¡ /7    x x y∈ =¡  x y= ∈ ¡  4x y= ∈ ¡ Câu7:(4#!  48 9  4487:'  # " %'  $)   ; ! !$  %(  *!  $  (!  !   6  %(   !   6  (!   Câu 8:('  #< ; =) " 1!  *!   >  >  +4 ?) " !  6!  @!   Câu9(∆#)! " (  7A > BC = B(  -)  ( (  *!    4 4≈  4 >4≈ 7>4 4 7 4 4 Câu10:($  %(  4#!  *!  1./  !$  %(  9   7>'  @(!  !    .C       2  >  TƯ ̣ LUÂ ̣ N D   Câu11(!  -)  /7 E+ ! F$  !  % " !  (  !'  !  -)  ! ; (*!  !  -)  . " .  0  F$  !  % " !  (  !'  !  -)  )    0 "   0  G!   " !  % "   !  %    +) " )   "   !!   -)   Câu12 !        + +     2    +  − − = − + −   ,!  6$%'   + 2 2 A A  + : ++  x x x + + − + + = Câu13(!!  #)! " =$  !(HF< ; $  %(   H,( " H*!  $  @'    !$  %(  (  3  6/    ! $  %(  ! "   $  I !   %  ∆I*!  !!  .  ,( " J*!  '      !%I  J7H    %  I*!    6/    !$  %(   1   I7HEI Câu 14:( ≥ 43'  !  % " (  .    !       +D  + x x P x + + = + Đa ́ p a ́ n A.TNKQ);.4   .+ . . .2 . .> .D .: .A .+4           TƯ ̣ LUÂ ̣ N .++);.4 !K L M 72 .+);.+   !F37F&72  =    $ "    =BG= +x ≥ − 4 '  $ " 723?4 BN4 .+ #< ; '    4 ! ∆H7∆I⇒7I4D ∆I(  $  !(*!  %/  *!  !!  . 4  ∆I.⇒*!  !6.!  (  ⇒J7H4  J7H⇒J*!  !  @'  $  %(  H I⊥J! " J!  J∈⇒I*!    6/    !$  %(   + 1I7JEJI7HEI4 .+24   + +> + : + :   2  +  +  + x x x P x x x + + + + = = + ≥ = + + + .  O7P!  /%! + :  + x x x + ⇔ = ⇔ = + F. " /&72 x⇔ = ?!%. " (!  A     9. "    3)   F. " 1 "  3)   39 3N 39 3N 39 3N     4 + + + + 2  /7!E  4 + 4  +   H " 6. " .  .   + 4 + 4  4 H "   *$ " %( !!  #) + 4 + 4  4 =$  %(   + 4 + 4 2  > 2 3'   + 4 + 4 3)    +  +  + : > 4 +4 . ĐÊ ̀ KI ̉ M TRA HO ̣ C KY ̀ I MÔN TOA ́ N ( THƠ ̀ I GIAN 90 ’)  TRĂ ́ C NGHIÊ ̣ M KHA ́ CH QUAN    Câu1:.  %(  H I ⊥J! " J!  J∈⇒ I *!    6/    !$  %(   + 1 I7 JEJI7HE I 4 .+24 

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