Kiem tra co Ma Tran toan 7 chuong 4 Dai so.doc

KIEÅM TRA CHÖÔNG IV Điểm  ………………………………. Ñeà 3 I . TRẮC NGHIỆM :   !"#$%& Câu 1:&'!()!'!(*#*+( ,-./01 2-3/45 . 6-7/45 8-3 Câu 2:9:1/ . 5 1 ;*1/5 . #* ,-</ 1 5   2-1/ . 5 6-=>/ 1 5   8->/ 1 5  Câu 3:6+(,? yx . 1  @2? 1  yx @6?=./ . 5@8?/5 . A ,-2B+(CD&EF& 6-+(,;*2D&EF& 2-+(,;*6D&EF& 8-+(8;*6D&EF& Câu 4:G+(1/ . 5 3 HA'I#* ,- 2-< 6-7 8-J Câu 5:KL:'!(   . x y− F/?.;*5?=#* ,-.2- 6-<8-M Câu 6:2I:(/ 3 54</ . 5 . 45 J 4#* ,-J2-<6-8-3 II. TỰ LUẬN : (8,5 điểm) Câu 7 (1 điểm): !&N+()! . . > < x y− - 1 1 3 xy  Câu 8 (3 điểm):6(O/?1/ 3 0./ 1 4/ . 03/4 ;*/?=1/ 3 4./ 1 01/ . 47/4 9P/?O/4/ '9Q/?O/0/ 9&L:'!:P/F/?=. Câu 9 (4,5 điểm): R/'S      3   a x + = − '9&L:'!(6? . .  1 .  x x x − + − F 1 . x =  6(/?/ . 4/4' TLU)B;*''S?=?1 VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV VVV VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV VVVV Hướng dẫn chấm, thang điểm (đề 3) Phần Câu Nội dung Điểm W  8 M. . 8 M. 1 2 M. 3 6 M.  6 M. < , M. WW 7 . . 1 1  > 3 ? = - -/ -/5 -5  < 1 1 ?= -5 3 x    ÷    J P/?1/ 3 0./ 1 4/ . 03/44=1/ 3 4./ 1 01/ . 47/4 ?1/ 3 01/ 3 40./ 1 4./ 1 4/ . 01/ . 4=3/47/44 ?./ . 41/4<  'Q/?1/ 3 0./ 1 4/ . 03/40=1/ 3 4./ 1 01/ . 47/4 ?1/ 3 41/ 3 40./ 1 0./ 1 4/ . 41/ . 4=3/07/40 ?</ 3 03/ 1 4J/ . 0/03  P=.?.=. . 41=.4<?J0<4<?J  >   <  .<   3      .< x x x − = − − ⇒ = ⇒ = − 'R 1 . x =   . 1 1 @ . . x x⇒ = − = 5/  ?=1X.;*'!(6Y 6? . 1 1 .  1  . . 1 3 .  .     × − − × − +  ÷  ÷ −     = ×××=   × − −  ÷   5/ . ?1X.;*'!(6Y 6? . 1 1 .  1 . . M 1 .  .     × − × +  ÷  ÷     = ×××=   × −  ÷   I5Z/  ?=1X.R6?=X3 Z/ . ?1X.R6?M ? ⇔ 4'?M ⇔ ?=' =?1 ⇔ =4'?.. 5;*.A =='4'?. ⇔ .'?. ⇔ '? ⇒ ?=     ,-O[C! − &(\S]!:N)&+&W- − ^_Z`a&;IE[&ZS(bN&"'*I]- − Q!'*ZZc) !\)BZS(+'":+&W- 2\E!& Ma trận 6d]\E!5 \E!&ZS( Nhận biết Thông hiểu Vận dụng  e  e  e Khái niệm về biểu thức đại số Giá trị của một biểu thức đại số  M   Đơn thức .  .   . Đa thức  M  3 Tổng 1  1  1 7 Đề bài .   J P/?1/ 3 0./ 1 4 / . 03/ 4  4 =1/ 3 4 ./ 1 01/ . 4 7/ 4  ?1/ 3 01/ 3  4 0./ 1 4 ./ 1  4 / . 01/ .  4 =3/ 4 7/  4  4  ?./ . 4 1/ 4 <  'Q/?1/ 3 0./ 1 4 / . 03/ 4 0=1/ 3 4 ./ 1 01/ . 4 7/ 4  ?1/ 3 4 1/ 3  4 0./ 1 0./ 1  4 / . 4 1/ .  4 =3/0 7/  4 0 ?</ 3 03/ 1 4 J/ . 0/03  P=.?.=. . 4 1=. 4 <?J0< 4 <?J  >  . M. WW 7 . . 1 1  > 3 ? = - -/ -/5 -5  < 1 1 ?= -5 3 x    ÷    J P/?1/ 3 0./ 1 4 / . 03/ 4  4 =1/ 3 4 ./ 1 01/ . 4 7/ 4  ?1/ 3 01/ 3  4 0./ 1 4 ./ 1  4 / . 01/ .  4 =3/ 4 7/  4  4  ?./ . 4 1/ 4 <  'Q/?1/ 3 0./ 1 4 / . 03/ 4 0=1/ 3 4 ./ 1 01/ . 4 7/ 4  ?1/ 3 4 1/ 3  4 0./ 1 0./ 1  4 / . 4 1/ .  4 =3/0 7/  4 0 ?</ 3 03/ 1 4 J/ . 0/03  P=.?.=. . 4 1=. 4 <?J0< 4 <?J  >  .   J P/?1/ 3 0./ 1 4 / . 03/ 4  4 =1/ 3 4 ./ 1 01/ . 4 7/ 4  ?1/ 3 01/ 3  4 0./ 1 4 ./ 1  4 / . 01/ .  4 =3/ 4 7/  4  4  ?./ . 4 1/ 4 <  'Q/?1/ 3 0./ 1 4 / . 03/ 4 0=1/ 3 4 ./ 1 01/ . 4 7/ 4  ?1/ 3 4 1/ 3  4 0./ 1 0./ 1  4 / . 4 1/ .  4 =3/0 7/  4 0 ?</ 3 03/ 1 4 J/ . 0/03  P=.?.=. . 4 1=. 4 <?J0< 4 <?J  >   <  .<