ĐỀ CƯƠNG TOÁN 8 HK2

 A/ LÝ THUYẾT:  !"#!$%&'( )*+, *'( )-'( ). /0%-%123%4  !"5$$*,&'( )*+, $6789#!:*&'( )*+, 8; <*. =>:*&'( )*+, 8; <*:*? @<A )%4. BC%)%D%&'( )*+, E$? FG2H*$&D%IJ-%12),. KL<*&'( )*+, 8; <*:*? @MN ) '* !"."OPMQ RS*8%T2U2A*V2AT O-T8% -W%8<*&'( )*+,  XS*8%T2U2A*V Y -T8% -W%8<*&'( )*+,  S*8%T2HOZ, H)%)%D*%*O!3*#2; 5$[\ #P$#]*\ #P$#]*-D"4U2D5$ -\ #P$#]* ^S*8%T2-\ #PO1[P <*-'_ )&Y )%S*+" )*$)%S'_ )*` )a" )a" )O0%:* N 5$*$)%SO!V*$%N b #N%L$*+'_ )c&-d )MN )5$$%*$)%S+'_ )c& -d )MN )-e8%4*5$$%*$)%SO2f ) B/ TRẮC NGHIỆM: Câu 1: ;& )%45$&'( )*+, 6  69#![ $g9{hi} 8 g9{-hi} g9{hi} M g9{h} Câu 2: %123%4 6S-\ 5$&'( )*+,  B =      − − = − − + x x xx #![ $6jO!6j 86jO!6ji6jO!6ji MD$H8H 12a$% Câu 3:k5$&'( )*+,    =   x x x x − + = + + #![ $ x ≠ − 8 x ≠  x ≠ H x ≠ − M x ≠ H x ≠ Câu 4: )%45$&'( )*+,    x + = #![ $69869i69H69M69H69i Câu 5:)%45$8<*&'( )*+, 67=l6#![ $6liB86lB6miBM6mB Câu 6:"$l8H8<*-` )*E !"-I ). $   a b < 8i=$li=8     a b+ > + Mi=$7li=87  Câu 7[",  Y2a$%[ $noL 8 ∆ pno  ∆ pL  po no p L = M pn L pL no = Câu 8[", gq-"6*+" ), #![ $^ 8^HK  MHK  5 4 8 x E D C B A ,  Câu 9[", OZ Y2-I )[ $ pL Ln p L = 8 Ln p pL n =  nL pL n p = M pn p Ln n = Câu 10[gq-"-:M!%6*+" ), #![ $=HK 8B BH MKHR C D B A 3 2,5 4,8 x ,  i+$ )i Câu 11[", OZ=$%*$)%SO2f )-d )MN ) !" 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