8 11 2016 2150 CAU TRAC NGHIEM TOAN BO GIAI TICH 12

Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c TR C NGHI M GI I TCH 12 CHNG S 01 Câu : Giỏ tr ln nht v giỏ tr nh nht ca hm s y x3 3x2 9x 35 trờn on 4; ln lt l: A 20; B 10; 11 C 40; 41 D 40; 31 Câu : Cho hm s y = x4 + 2x2 2017 Trong cỏc mnh sau , mnh no sai ? A th ca hm s f(x) cú ỳng im un C th hm s qua A(0;-2017) Câu : Hm s y 2x2 Tỡm m ln nht hm s y B C 1; Câu : m x B m3 m 1; D x x mx (4m 3) x 2016 ng bin trờn xỏc nh ca nú Câu : Xỏc nh m phng trỡnh x3 A x ng bin trờn cỏc khong no? B A ỏp ỏn khỏc lim f x va lim f x D Hm s y = f(x) cú cc tiu 1;0 v 1;0 A Câu : x4 B C 3mx 2 m1 D m2 D m cú mt nghim nht: C m Tỡm giỏ tr ln nht ca hm s y x x A Maxf x f ln 2 B Maxf x f ln 2 C Maxf x f 193 100 D Maxf x f ;3 ;3 ;3 ;3 Câu : Cho cỏc dng th ca hm s y ax3 bx cx d nh sau: Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c 4 2 2 A B 2 C D V cỏc iu kin: a b 3ac a b 3ac a b 3ac a b 3ac Hóy chn s tng ng ỳng gia cỏc dng th v iu kin A A 2;B 4;C 1;D B A 3;B 4;C 2;D C A 1;B 3;C 2;D D A 1;B 2;C 3;D Câu : Tỡm m ng thng d : y m A m 3 m 3 B m x m ct th hm s y 2 2 m C m 1 2x x ti hai im phõn bit 3 D m 2 m 2 Câu : Tỡm GTLN ca hm s y x x A Câu 10 : B C D ỏp ỏn khỏc Cho hm s y x3 mx x m (Cm) Tỡm m (Cm) ct trc Ox ti ba im phõn bit cú 3 Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c honh x1 ; x2 ; x3 tha x12 + x22 + x32 > 15? A m < -1 hoc m > B m < -1 C m > D m > Câu 11 : Tỡm cỏc giỏ tr ca tham s m hm s y x 2(m2 1) x cú im cc tr tha giỏ tr cc tiu t giỏ tr ln nht A m B m0 C m3 D m1 Câu 12 : H ng cong (Cm) : y = mx3 3mx2 + 2(m-1)x + i qua nhng im c nh no? A A(0;1) ; B(1;-1) ; C(2;-3) B A(0;1) ; B(1;-1) ; C(-2;3) C A(-1;1) ; B(2;0) ; C(3;-2) D ỏp ỏn khỏc Câu 13 : Hm s y ax3 bx2 cx d t cc tr ti x1 , x2 nm hai phớa trc tung v ch khi: A Câu 14 : A Câu 15 : A Câu 16 : a 0, b 0,c Hm s y m B x m m B th ca hm s y A b2 12ac C a v c trỏi du D b2 12ac D m mx ng bin trờn khong (1; ) khi: xm m Hm s y B x m C m nghch bin trờn C m \[ 1;1] thỡ iu kin ca m l: D m 2x cú bao nhiờu ng tim cn: x x B C D Câu 17 : Hm s y ax4 bx2 c t cc i ti A(0; 3) v t cc tiu ti B(1; 5) Khi ú giỏ tr ca a, b, c ln lt l: A 2; 4; -3 B -3; -1; -5 C -2; 4; -3 D 2; -4; -3 Câu 18 : Cho th (C) : y = ax4 + bx2 + c Xỏc nh du ca a ; b ; c bit hỡnh dng th nh sau : Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw tw a i lt iaei ul iperuop cr oo mc : /w/ w w http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c 10 5 10 15 20 A a > v b < v c > B a > v b > v c > C ỏp ỏn khỏc D a > v b > v c < Câu 19 : Tỡm tt c cỏc giỏ tr ca tham s k phng trỡnh sau cú bn nghim thc phõn bit x2 x2 k A Câu 20 : 0k B k C k D k Vit phng trỡnh tip tuyn d ca th hm s f ( x) x3 x x ti giao im ca th hm s vi trc honh A Câu 21 : y 2x B y 8x C y C yMin D y x7 D yMin Tỡm giỏ tr nh nht ca hm s: y x x x x A Câu 22 : A Câu 23 : yMin 2 B yMin 2 10 10 x3 Hm s y 3x2 5x nghch bin trờn khong no cỏc khong sau õy? 2;3 B R Chn ỏp ỏn ỳng Cho hm s y C ;1 va 5; D 1;6 2x , ú hm s: 2x A Nghch bin trờn 2; B ng bin trờn R \ C ng bin trờn 2; D Nghch bin trờn R \ Câu 24 : Cho hm s f (x ) x3 3x2 , tip tuyn ca th cú h s gúc k= -3 l Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c A Câu 25 : A Câu 26 : y 3(x 1) B y 3(x 1) y B th hm s y y A y 3x C y 3x 11; y x2 y 3(x 1) D y 3(x 1) C y D y 1; y 1 2x l C Vit phng trỡnh tip tuyt ca C bit tip tuyn ú song x song vi ng thng d : y Câu 27 : x Tỡm cn ngang ca th hm s y C 3x 3x 15 B y D y 3x 3x 11 11 2x (C ) Tỡm cỏc im M trờn th (C) cho tng khong cỏch t M n hai x ng tim cn l nh nht Cho hm s y A M(0;1) ; M(-2;3) B ỏp ỏn khỏc C M(3;2) ; M(1;-1) D M(0;1) Câu 28 : Tỡm giỏ tr ln nht M v giỏ tr nh nht m ca y x x trờn 0; : A Câu 29 : A M 11, m B M 3, m C M 5, m D M 11, m x3 Tỡm cỏc giỏ tr ca tham s m hm s y m x mx cú im cc tr m B m C 3m2 D m1 Câu 30 : Cho hm s y = 2x3 3x2 + (C) Vit phng trỡnh tip tuyn ca th (C) bit tip tuyn qua 19 A( ; 4) v tip xỳc vi (C) ti im cú honh ln hn 12 A y = 12x - 15 B y = 21 645 C y = x 32 128 D C ba ỏp ỏn trờn Câu 31 : Tõm i xng ca th hm s y x3 3x2 9x l : A Câu 32 : A I( 1; 6) B I(3; 28) C I (1; 4) D I(1;12) D m1 x3 mx nh m hm s y t cc tiu ti x 3 m3 B m2 C ỏp ỏn khỏc Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c h t t p : / / w w w tailieupro.c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c h t t p : / / w w w t a i l i e u p r o c h t t p : / / w w w t a i l i e u p r o c http://www.tailieupro.c http://www.tailieupro.c Câu 33 : Tỡm s cc tr ca hm s sau: f (x ) x 2x2 A Câu 34 : A Câu 35 : A Câu 36 : C ba ỏp ỏn A, B, C B Vi giỏ tr no ca m thỡ hm s y m C y=1; y= sin 3x Tim cn ngang ca th hm s y y B C C x x1 B y=1; x=3 m7 B ? D D y2 D x 1; x D m7 x 5x x2 x C x=1; x= Câu 37 : iu kin cn v y x x m xỏc nh vi mi x A 2x l: x Tỡm tiờm cn ng ca th hm s sau: f ( x ) A y= -1 D m sin x t cc i ti im x B x=0; x=1; x= -1 m7 C : m7 Câu 38 : Phỏt biu no sau õy l ỳng: Hm s y f ( x) t cc i ti x0 v ch o hm i du t dng sang õm qua x0 Hm s y f ( x) t cc tr ti x0 v ch x0 l nghim ca o hm Nu f '( xo ) v f '' x0 thỡ x0 khụng phi l cc tr ca hm s y f ( x) ó cho Nu f '( xo ) v f '' x0 thỡ hm s t cc i ti x0 A 1,3,4 Câu 39 : Tỡm s tim cn ca hm s sau: f ( x ) A Câu 40 : B 1, 2, B C D Tt c u ỳng x2 3x x2 3x C D Cho hm s y x x Hóy chn mnh sai bn phỏt biu sau: A Hm s nghch bin trờn mi khong ;1 v 0;1 B Trờn cỏc khong ;1 v 0;1 , y' nờn hm s nghch bin Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) i l i e u p r o c o thttpt :p/://w/ w ww ww t. at ia lieupro.com h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co h t t p : / / w w w t a i l i e u p r o c o http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c C Hm s ng bin trờn mi khong ;1 v 1; D Trờn cỏc khong 1;0 v 1; , y' nờn hm s ng bin Câu 41 : Xỏc nh k phng trỡnh x k x 3x cú nghim phõn bit 2 A 19 k 2; ;7 B 19 k 2; ;6 C 19 k 5; ;6 D k 3; 1;2 Câu 42 : Hm s y x3 3mx A Câu 43 : A Câu 44 : A Câu 45 : A nghch bin khong B 1;1 thỡ m bng: C D 1 Cho hm s y x3 x mx nh m hm s t cc i v cc tiu ti cỏc im cú honh ln hn m? m B m > Cho hm s y C m = D m D m mx , hm s ng bin trờn 3; khi: x-2m m B m C Tỡm tt c cỏc ng tim cn ca th hm s y y B y = -1 Câu 46 : T th C ca hm s y m x3 x2 C x = x3 3x m D y = Xỏc nh m phng trỡnh x3 3x m cú nghim thc phõn bit A m B C m D m Câu 47 : Tỡm khong ng bin ca hm s sau: y f (x ) x 18x2 A 3; 3; B ; 3; C ; 0; D ; 0; Câu 48 : 1 Cho hm s y x4 x2 Khi ú: 2 Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c A Hm s t cc tiu ti im x , giỏ tr cc tiu ca hm s l y(0) B Hm s t cc tiu ti cỏc im x 1, giỏ tr cc tiu ca hm s l y(1) C Hm s t cc i ti cỏc im x 1, giỏ tr cc i ca hm s l y(1) D Câu 49 : A Hm s t cc i ti im x , giỏ tr cc i ca hm s l x2 cú I l giao im ca hai tim cn Gi s im M thuc th cho tip x2 tuyn ti M vuụng gúc vi IM Khi ú im M cú ta l: Cho hm s y M(0; 1);M(4;3) Câu 50 : Cho hm s y 2x3 B M(1; 2);M(3;5) m m 1;3 B x2 m C x M(0; 1) D M(0;1);M(4;3) Xỏc nh m hm s cú im cc i v 2;3 cc tiu nm khong A y (0) m 3;4 C m 1;3 3;4 D m 1;4 .HT Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) Truy cp http://www.tailieupro.com/ cú thờm nhiu ti liu hay v thỳ v nhộ ;) ep u rpor oc oc m o thttpt :p/://w/ w ww ww t.at ial ii lei u http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.co http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c t ph :t /t /pw: /w/ w w tw a i lt iaei ul iperuop cr oo mc http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c http://www.tailieupro.c TR C NGHI M GI I TCH 12 CHNG S 02 Câu : th hm s no sau õy khụng cú im un A y x3 x B y ( x 1)4 C y x4 x2 D y ( x 1)3 Câu : Min giỏ tr ca y x2 x l: A T 10; B T ; 10 C T ; 10 D T 10; Câu : Vi giỏ tr m l bao nhiờu thỡ hm s f ( x) x3 3x m2 3m x ng bin trờn (0; 2) A m B m m C m D m m Câu : S giao im ca th hm s y x4 2x2 m vi trc honh l 02 v ch A m Câu : B Cho hm s y m0 C m m D m m x3 2m (C) nh m t A , k n th hm s (C) hai tip tuyn mx 3 vuụng gúc hoc m 2 B hoc m 2 D A m C m Câu : Tip tuyn ca th hm s y m hoc m 2 m hoc m 2 x+2 ti giao im vi trc tung ct trc honh ti im cú honh x l A x B x2 C x D x D m0 Câu : Tỡm m f(x) cú ba cc tr bit f (x ) x 2mx A m0 B m > C m