鍏勾绾ф暟瀛︾浜屽鏈熸湡鏈娴嬭瘯鍗?/p>
锛?/p>
100
鍒嗛挓瀹屾垚锛屾弧鍒?/p>
100+20
鍒嗭級
涓�銆?/p>
濉┖棰橈紙姣忓皬棰?/p>
3
鍒嗭紝婊″垎
42
鍒嗭級
1.
涓�娆″嚱鏁?/p>
y=
2
x
鈥?/p>
3
鐨勬埅璺濇槸
__________.
2.
鍐欏嚭涓�涓浘璞′笉缁忚繃绗笁璞￠檺鐨勪竴娆″嚱鏁帮細
________________
锛?/p>
3.
鏂圭▼
x
2
鈥?/p>
2
x
=0
鐨勬牴鏄?/p>
_________________.
4.
濡傛灉鍏充簬
x
鐨勬柟绋?/p>
x
2
锛?/p>
x
+
k
=0
鏈変袱涓笉鐩哥瓑鐨勫疄鏁版牴
,
閭ｄ箞
k
鐨勫彇鍊艰寖鍥存槸
______.
5.
濡傛灉涓�鍏冧簩娆℃柟绋?/p>
x
2
锛?/p>
4
x
锛?/p>
m
= 0
鐨勪竴涓牴涓?/p>
1,
閭ｄ箞鍙︿竴涓牴涓?/p>
______.
6.
浠?/p>
3
銆?/p>
2
飥?/p>
涓烘牴
,
涓斾簩娆￠」绯绘暟涓?/p>
1
鐨勪竴鍏冧簩娆℃柟绋嬫槸
__________________.
7.
浜屾鍑芥暟
y=
鈥?/p>
3
x
2
+
5
x
鈥?/p>
6
鐨勫浘璞＄殑寮�鍙ｆ柟鍚戞槸
_______________.
8.
浜屾鍑芥暟
y=
鈥?/p>
2
x
2
鐨勫浘璞″悜鍙冲钩绉?/p>
3
涓崟浣嶅悗寰楀埌鐨勫浘璞℃墍琛ㄧず鐨勪簩娆″嚱鏁拌В鏋愬紡鏄?/p>
______________.
9.
鍒?/p>
A
銆?/p>
B
涓ょ偣璺濈鐩哥瓑鐨勭偣鐨勮建杩规槸
________________________________.
10.
鐐?/p>
A
(2,
m
)
涓庣偣
B
(
鈥?/p>
1,0)
涔嬮棿鐨勮窛绂绘槸
5,
閭ｄ箞
m
鐨勫�间负
___________.
11.
宸茬煡寮撳舰鐨勫崐寰勪负
13,
楂樹负
1,
閭ｄ箞寮撳舰鐨勫鸡闀夸负
______________.
12.
姊舰鐨勪笂搴曢暱涓?/p>
5,
涓嬪簳闀夸负
9,
閭ｄ箞瀹冪殑涓綅绾块暱涓?/p>
_____________.
13.
宸茬煡
鈻?/p>
ABCD
鐨勯潰绉负
10cm
2
,
鐐?/p>
E
鏄?/p>
CD
杈逛笂浠绘剰涓�鐐癸紝閭ｄ箞鈻?/p>
ABE
鐨勯潰绉槸
__________ cm
2
.
14.
濡傛灉鑿卞舰鐨勪竴涓唴瑙掍负
120潞
,
杈冪煭鐨勫瑙掔嚎涓?/p>
4,
閭ｄ箞杩欎釜鑿卞舰鐨勯潰绉槸
_________.
浜屻�?/p>
閫夋嫨棰橈紙姣忓皬棰?/p>
3
鍒嗭紝婊″垎
12
鍒嗭級
銆愭瘡灏忛鍙湁涓�涓纭瓟妗?/p>
,
灏嗕唬鍙峰～鍏ユ嫭鍙峰唴銆?/p>
15.
涓嬪垪鏂圭▼涓紝婊¤冻涓や釜瀹炴暟鏍圭殑鍜屼负
2
鐨勬柟绋嬫槸鈥︹�︹�︹�︹�︹�︹�︹�︹�︹�︹�?/p>
(
)
锛?/p>
A
锛?/p>
2
x
2
鈥?/p>
4=0
锛?/p>
锛?/p>
B
锛?/p>
2
x
2
鈥?/p>
4
x
鈥?/p>
1=0
锛?/p>
锛?/p>
C
锛?/p>
x
2
鈥?/p>
2
x
+2=0
锛?/p>
锛?/p>
D
锛?/p>
x
2
+2
x-
2 =0
锛?/p>
16.
鍑芥暟
2
)
(
k
x
y
飥?/p>
锛堝父鏁?/p>
0
飥?/p>
k
锛夌殑鍥捐薄缁忚繃鐨勮薄闄愪负鈥︹�︹�︹�︹�︹�︹�︹�︹�︹�︹�?/p>
(
)
(A)
绗竴銆佷簩璞￠檺
;
(B)
绗竴銆佷笁璞￠檺
;
(C)
绗簩銆佸洓璞￠檺
;
(D)
绗笁銆佸洓璞￠檺锛?/p>
17.
杩炵粨瀵硅绾垮瀭鐩寸殑鍥涜竟褰㈠悇杈逛腑鐐规墍寰楀埌鐨勫洓杈瑰舰鏄?/p>
鈥︹�︹�︹�︹�︹�︹�︹�︹�?/p>
(
)
(A)
姝ｆ柟褰?/p>
;
锛?/p>
B
锛夎彵褰?/p>
;
(C)
鐭╁舰
;
锛?/p>
D
锛夌瓑鑵版褰?/p>
.
18.
濡傚浘
,
鍦ㄦ褰?/p>
ABCD
涓?/p>
,
AD
//
BC
,
AD
:
BC
=1:2,
鐐?/p>
E
鍦?/p>
AC
涓?/p>
,
AE
:
EC
=1 : 3,
閭ｄ箞
S
鈻?/p>
ABE
:
S
鈻?/p>
BCE
:
S
鈻?/p>
ADC
绛変簬鈥︹�?/p>
(
)
(A)1:2:2;
(B)1:2:3;
(C)1:3:2;
(D) 1:3:3.
涓夈�?/p>
绠�绛旈锛堟瘡灏忛
6
鍒嗭紝鍏?/p>
18
鍒嗭級
19.
瑙ｆ柟绋嬶細
x
2
鈥?/p>
2 (
5
x
-1) = 6.
A
B
C
D
E