鍐呰挋鍙や箤鍏板療甯冨競
2018
灞婁節骞寸骇鏁板涓婂鏈熺涓�娆¤皟鐮旇�冭瘯璇曢
娉ㄦ剰浜嬮」锛?/p>
1
锛庣瓟鍗峰墠锛岃�冪敓鍔″繀灏嗚嚜宸辩殑濮撳悕銆佽�冨彿濉啓鍦ㄧ瓟棰樺崱涓娿�?/p>
2.
灏嗙瓟妗堝啓鍦ㄧ瓟棰樺崱涓娿�傚啓鍦ㄦ湰璇曞嵎涓婃棤鏁堛�?/p>
3.
鑰冭瘯缁撴潫鍚庯紝灏嗙瓟棰樺崱浜ゅ洖銆?/p>
涓�銆侀�夋嫨棰?/p>
(
鏈ぇ棰樺叡
12
灏忛锛屾瘡灏忛
3
鍒嗭紝鍏?/p>
36
鍒?/p>
)
1.
鎶涚墿绾?/p>
y
=-
锛?/p>
x
+
锛?/p>
2
-3
鐨勯《鐐瑰潗鏍囨槸锛?/p>
锛?/p>
A.
锛?/p>
锛?/p>
-3
锛?/p>
B.
锛?/p>
-
锛?/p>
-3
锛?/p>
C.
锛?/p>
锛?/p>
3
锛?/p>
D.
锛?/p>
-
锛?/p>
3
锛?/p>
2.
鑻ュ皢鎶涚墿绾?/p>
y
=5
x
2
鍏堝悜鍙冲钩绉?/p>
2
涓崟浣嶏紝
鍐嶅悜涓婂钩绉?/p>
1
涓崟浣嶏紝
寰楀埌鐨勬柊鎶涚墿绾跨殑琛ㄨ揪寮忎负
锛?/p>
锛?/p>
A.
y
=5
锛?/p>
x
-2
锛?/p>
2
+1
B.
y
=5
锛?/p>
x
+2
锛?/p>
2
+1
C.
y
=5
锛?/p>
x
-2
锛?/p>
2
-1
D.
y
=5
锛?/p>
x
+2
锛?/p>
2
-1
3.
涓嬪垪鍏充簬鎶涚墿绾?/p>
y
=-
x
2
+2
鐨勮娉曟纭殑鏄紙
锛?/p>
A.
鎶涚墿绾垮紑鍙ｅ悜涓?/p>
B.
椤剁偣鍧愭爣涓猴紙
-1
锛?/p>
2
锛?/p>
C.
鍦ㄥ绉拌酱鐨勫彸渚э紝
y
闅?/p>
x
鐨勫澶ц�屽澶?/p>
D.
鎶涚墿绾夸笌
x
杞存湁涓や釜浜ょ偣
4.
涓嬪垪鏂圭▼涓紝鏄竴鍏冧簩娆℃柟绋嬬殑鏄紙
锛?/p>
A.2
x
-
y
=3
B.
x
2
+
=2
C.
x
2
+1=
x
2
-1
D.
x
锛?/p>
x
-1
锛?/p>
=0
5.
鑻ユ姏鐗╃嚎
y
=
x
2
-2
x
+
m
涓?/p>
x
杞存湁浜ょ偣锛屽垯
m
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A.
m
锛?/p>
1
B.
m
鈮?
C.
m
锛?/p>
1
D.
m
鈮?
6.
鎶涚墿绾?/p>
y
=
ax
2
+
bx
+
c
锛?/p>
a
鈮?锛夌殑瀵圭О杞存槸鐩寸嚎
x
=1
锛屼笖缁忚繃鐐癸紙
3
锛?/p>
0
锛夛紝鍒?/p>
a
-
b
+
c
鐨勫�间负锛?/p>
锛?/p>
A.-1
B.0
C.1
D.2
7.
鏌愭櫙鐐圭殑鍙傝浜烘暟閫愬勾澧炲姞锛屾嵁缁熻锛?/p>
2014
骞翠负
10.8
涓囦汉娆★紝
2016
骞翠负
16.8
涓囦汉娆★紟璁惧弬瑙?/p>
浜烘鐨勫钩鍧囧勾澧為暱鐜囦负
x
锛屽垯
锛?/p>
锛?/p>
A.10.8
锛?/p>
1+
x
锛?/p>
=16.8
B.16.8
锛?/p>
1-
x
锛?/p>
=10.8
C.10.8
锛?/p>
1+
x
锛?/p>
2
=16.8
D.10.8[
锛?/p>
1+
x
锛?/p>
+
锛?/p>
1+
x
锛?/p>
2
]=16.8
8.
濡傚浘锛?/p>
灏嗏柍ABC
缁曢《鐐?/p>
A
鏃嬭浆鍒扳柍ADE
澶勶紝
鑻モ垹BAD=40掳锛屽垯鈭燗DB
鐨?/p>
搴︽暟鏄紙
锛?/p>
A.50掳
B.60掳
C.70掳
D.80掳
9.
鍦ㄥ悓涓�鐩磋鍧愭爣绯讳腑锛?/p>
涓�娆″嚱鏁?/p>
y
=
ax
+
c
鍜屼簩娆″嚱鏁?/p>
y
=
ax
2
+
c
鐨勫浘璞″ぇ
鑷翠负锛?/p>
锛?/p>
A.
B.
C.
D.