2015鎴愯€冮珮鍗囨湰鏂囩鏁�(sh霉)瀛�(xu茅)妯℃摤(5锛�


銆€銆€1銆佽ō(sh猫)x锛寉∈R.鍛介鐢诧細“x2=y2”锛屽懡椤屼箼锛�“x=y”锛屽墖鐢叉槸涔欑殑
銆€銆€A.鍏呭垎浣嗕笉蹇呰姊濅欢
銆€銆€B.蹇呰浣嗕笉鍏呭垎姊濅欢
銆€銆€C.鍏呭垎蹇呰姊濅欢
銆€銆€D.鏃笉鍏呭垎涔熶笉蹇呰姊濅欢
銆€銆€2銆佽ō(sh猫)闆嗗悎A={x| x2-2x-3<0}锛孊={x| |x|<2}锛屽墖 A∩B=
銆€銆€A.{x|-1B.{x|-2C.{x|-2D.{x|-3
3銆�
銆€銆€A.30°
銆€銆€B.60°
銆€銆€C.120°
銆€銆€D.150°
銆€銆€4銆佹妸3鏋氱‖骞f摬鍒板湴涓�锛屽叾涓嚦灏戞湁1鏋氭槸鍦嬪窘鏈濅笂鐨勬鐜囩偤

銆€銆€5銆佸湪(0锛�2)鍏�(n猫i)鏄柈瑾�(di脿o)澧炲嚱鏁�(sh霉)鐨勬槸

銆€銆€6銆佸凡鐭ュ湏x2+y2-6x+Dy+16=0鐨勫湏蹇冨埌鍘熼粸鐨勮窛闆㈢偤5锛屽墖D鐨勫€肩偤
銆€銆€A.-8
銆€銆€B.8
銆€銆€C.±8
銆€銆€D.3
銆€銆€7銆佸嚱鏁�(sh霉)f(x)=x3-2x2-4x鍦▁=-1铏曠殑鍒囩窔鏂圭▼鐐�
銆€銆€A.3x-y+4=0
銆€銆€B.3x+y+10=0
銆€銆€C.x+y+2=0
銆€銆€D.3x-y+2=0
銆€銆€8銆佷笅鍒楀懡椤屼腑姝g⒑鐨勬槸
銆€銆€A.宸茬煡鍚戦噺a=(1锛�2)锛宐=(1锛�-2)锛屽墖a//b
銆€銆€B.宸茬煡鍚戦噺a=(1锛�2)锛宐=(1锛�-2)锛屽墖a⊥b
銆€銆€C.宸茬煡鍚戦噺a=(1锛�2)锛宐=(-2锛�-l)锛屽墖a//b
銆€銆€D.宸茬煡鍚戦噺a=(1锛�2)锛宐=(-2锛�1)锛屽墖a⊥b
銆€銆€9銆佺瓑宸暩(sh霉)鍒梴an}鐨勫墠涓夐爡鍒嗗垾鐐篴-1锛宎+1锛�2a-3锛屽墖瑭叉暩(sh霉)鍒楃殑閫氶爡鏄�
銆€銆€A.2n-5
銆€銆€B.2n-3
銆€銆€C.2n+5
銆€銆€D.2n+3
銆€銆€10銆佸厛鍚庢摬3鏋氬潎鍕荤‖骞o紝鎭板ソ鍑虹従(xi脿n)3鏋氭闈㈠叏鏈濅笂鎴�3鏋氭闈㈠叏鏈濅笅鐨勬鐜囩偤



銆€銆€12銆佷笅鍒楁柟绋嬩腑琛ㄧず鐨勫湒褰㈡槸涓€姊濈洿绶氱殑鏄�

銆€銆€13銆佸凡鐭ユ鏁�(sh霉)鐨勭瓑姣旀暩(sh霉)鍒梴an}涓�锛宎6a4+2a5a3+a4a2=16锛屽墖a5+a3鐨勫€肩偤
銆€銆€A.±4
銆€銆€B.-4
銆€銆€C.4
銆€銆€D.鐒℃硶纰哄畾
銆€銆€14銆佷笅鍒楃郸鍑虹殑鍚勫嚱鏁�(sh霉)涓�锛屽湪鍏跺畾缇╁煙涓婄偤澧炲嚱鏁�(sh霉)鐨勬槸

銆€銆€15銆佸凡鐭ュ湏锛歺2+y2=5鑸囩洿绶氾細x-2y+m=0鐩稿垏锛屽墖瀵︽暩(sh霉)m鐨勫€肩偤

銆€銆€16銆佸嚱鏁�(sh霉)y=ax+b(鍏朵腑a>0锛宐<0)鐨勫湒鍍忓彧鑳芥槸

銆€銆€17銆佽嫢鏇茬窔f(x)=x4-x鍦ㄩ粸P铏曠殑鍒囩窔骞宠浜庣洿绶�3x-y=0锛屽墖榛濸鐨勫潗妯�(bi膩o)鐐�
銆€銆€A.(1锛�3)
銆€銆€B.(-1锛�3)
銆€銆€C.(1锛�0)
銆€銆€D.(-1锛�0)
銆€銆€浜�銆佸~绌洪锛氭湰澶ч鍏�4灏忛锛屾瘡灏忛4鍒�锛屽叡16鍒嗭紝鎶婄瓟妗堝~鍦ㄩ涓┇绶氫笂銆�
銆€銆€18銆佸凡鐭ュ悜閲廰=(m锛�-2)锛屽悜閲廱=(m+1锛�2-m).鑻⊥b锛屽墖m=____________.
19銆�
銆€銆€20銆� ΔABC涓�锛宎锛宐锛宑鍒嗗垾鏄A锛孊锛孋鐨勫皪閭�.濡傛灉a2-b2-c2=bc锛屽墖瑙扐=__________.
銆€銆€21銆佷竴娆″皠鎿婅〒(x霉n)绶�锛屽緸涓娊鍙栦簡8鍊嬩汉鐨勮〒(x霉n)绶存垚绺�锛屼緷娆$偤锛�9.0锛�9.7锛�7.5锛�9.2锛�9.1锛�8.5锛�8.7锛�9.5(鍠綅锛氱挵(hu谩n))锛岃┎妯f湰鐨勬柟宸偤________.
銆€銆€涓�銆佽В绛旈锛氭湰澶ч鍏�4灏忛锛屽叡49鍒�銆傝В绛旀噳(y墨ng)瀵嚭鎺ㄧ悊锛屾紨绠楁椹�銆�(22)灏忛婊垮垎12鍒嗐€�
銆€銆€22銆佽ō(sh猫){an}鏄竴鍊嬪叕宸偤d(d≠0)鐨勭瓑宸暩(sh霉)鍒楋紝瀹冪殑鍓�10闋呭拰S10=110锛屼笖a1锛宎2锛宎4鎴愮瓑姣旀暩(sh霉)鍒�.
銆€銆€(I)璀夋槑锛歛1=d;
銆€銆€(鈪�)姹傚叕宸甦鐨勫€煎拰鏁�(sh霉)鍒梴an}鐨勯€氶爡鍏紡.
銆€銆€23銆佸凡鐭鏄媼鐗╃窔y2=4x涓婄殑涓€榛烇紝F(xi脿n)鏄叾鐒﹂粸锛孫鐐哄潗妯�(bi膩o)鍘熼粸.鑻ラ粸A鐨勬┇鍧愭(bi膩o)鐐�3锛�
銆€銆€(I)姹侫鐨勭副鍧愭(bi膩o);
銆€銆€(鈪�)姹�Δ OAF鐨勯潰绌�;
銆€銆€(鈪�)姹備互A鐐哄湏蹇冿紝AF鐐哄崐寰戠殑鍦撶殑鏂圭▼.
銆€銆€24銆佸凡鐭ョ瓑宸暩(sh霉)鍒梴an}鐨勫墠3闋呯偤a锛�6锛�5a.姹傦細
銆€銆€(I)棣栭爡a1鍜屽叕宸甦;
銆€銆€(鈪�)绗�10闋呭強鍓�10闋呬箣鍜孲10.
銆€銆€25銆佸凡鐭ュ嫊榛濵鍒板畾榛濬(2锛�0)鍜屽畾鐩寸窔x=-2鐨勮窛闆㈢浉绛�.
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