de thi hsg

<span class='text_page_counter'>(1)</span>THI HOC SIIiH GTOI I'REN TNAY TiXg CASIO Nim hoc 2009-2010 Thdi gian llm biii : l5tlil Ngiry thi: 06111/2{X}9. UBND HUrB. N QUANG TR4CH PHOI{G GIAO DUC] VA OAII T:TII. Cfru 1: (-5dl Tinh gi6 tri cua. J;e+-.fi;5. Khi. +I+. .E + 2fiW. x = 2009. +. "il. 2008. Cdul {5 dieml C.ho P{x) = x4 +Ax3 + 8x2 + bx 48 - cho (x-2) vi (x+3). a) Xdc dinh cfc h€ sd a, b . BiSt P(x) chia hdt b) Vdi a, b tinr ciuoc h5y tim clu cua ph6p chia P(x) cho (x+5). Cdu 3 {Sdidm): Giii phucxig trinh sau: (l-ei qud vi€t +t, -t-. t+ I I 2+. l+l. Cau 4 (5. +*. ,*. tltii. clang ph&n sd). I I. l,. 42 ): Ilm LICLN vi BCNN cira. I. :. a.. 209865 vh 283935 4492512 vi5700 c.Tinh kdt quti dring cta tfch sau (Kit hap tr€n giu.v vii md,t; tink cusio) N 2222288888 "222229999 (5 Caq 5 diOm): Din sd cua rndt quOc gia A ki 85 tri0u ngrrli. Tinh r10n sd cria nudc cld sau l0 nam. Bidt nific tAng d6n sd trung binh ki 7,lo/CIllnam. {Lim trdn tl{it ht}ttg d*t yi). b.. -. Cau 6: (5didm) Cho hinh chff nhAt cd chu vi. lI. 15,356, t}i sd hai kich thrriic ta. -lI ,7. fArfr. duimg chdo cfra hirih chii nhtt. CAu 7 (5 didm) Cho hlnh thang c6n c6 hai ducrng ch6o w6ng gdc v6i nhau. driy nhd dii 13,54 cm v) canh b0n dli 18.45 cm. Tirn dd dAi diry 16n . Qau 8: ( Sdidm) Cho bidt ty sd 3x-7 v) y- I 1I mOt hlng sd vh y - 2l khi x=3. Vhy n6u y=2010 thi x bang bao nhi6u? Cdu g (5 diiint). Cho tam gi6c ABC vu6ng tai A, C6 AB =14,568cm; vi AC 13,425crn. Ke AH vuOng g6c vdi BC. a. f inh BC; AH; HC. b. Ke ph0n gi6c BN ciia g6c B, Tfnh l.,trB. (kdt qua l[iy 3 ehrt so d phiin thdp phun]. CAu. l0 :(5 didm) Tim. u). nghi€m gdn dfing cria cdc phucrng trinh. W#"1=x*2. b) x*-3.rt+2x'_5x+8=0. sar-r.

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