绗?/p>
1
椤碉紙鍏?/p>
19
椤碉級
2015-2016
瀛﹀勾绂忓缓鐪佹硥宸炲競瀹夋邯鍘垮垵涓変笂瀛︽湡鏈熸湯鏁板璇曞嵎
涓�銆侀�夋嫨棰橈紙姣忛
3
鍒嗭紝鍏?/p>
21
鍒嗭紟姣忛鏈変笖鍙湁涓�涓纭瓟妗堬紝璇峰皢姝ｇ‘鐨勪唬
鍙峰～鍦ㄩ鍚庣殑鎷唴锛?/p>
锛?/p>
1
锛?/p>
锛?/p>
3
鍒嗭級浜屾鏍瑰紡
鏈夋剰涔夛紝鍒?/p>
x
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A
锛?/p>
x
锛?/p>
5
B
锛?/p>
x
锛?/p>
5
C
锛?/p>
x
鈮?/p>
5
D
锛?/p>
x
鈮?/p>
5
2
锛?/p>
锛?/p>
3
鍒嗭級鏂圭▼
x
2
锕?/p>
5x=0
鐨勮В鏄紙
锛?/p>
A
锛?/p>
x=
锕?/p>
5
B
锛?/p>
x=5
C
锛?/p>
x
1
=0
锛?/p>
x
2
=5
D
锛?/p>
x
1
=0
锛?/p>
x
2
锕?/p>
5
3
锛?/p>
锛?/p>
3
鍒嗭級
鑻?/p>
x
1
锛?/p>
x
2
鏄竴鍏冧簩娆℃柟绋?/p>
x
2
+
10x
+
16=0
鐨勪袱涓疄鏍癸紝
鍒?/p>
x
1
鈥
2
鐨勫�兼槸
锛?/p>
锛?/p>
A
锛庯梗
10
B
锛?/p>
16
C
锛庯梗
16
D
锛?/p>
10
4
锛?/p>
锛?/p>
3
鍒嗭級鐢ㄩ厤鏂规硶瑙ｆ柟绋?/p>
x
2
锕?/p>
2x
锕?/p>
7=0
鏃讹紝鍘熸柟绋嬪簲鍙樺舰涓猴紙
锛?/p>
A
锛?/p>
锛?/p>
x
+
1
锛?/p>
2
=6
B
锛?/p>
锛?/p>
x
+
2
锛?/p>
2
=6
C
锛?/p>
锛?/p>
x
锕?/p>
1
锛?/p>
2
=8
D
锛?/p>
锛?/p>
x
锕?/p>
2
锛?/p>
2
=8
5
锛?/p>
锛?/p>
3
鍒嗭級
濡傚浘锛?/p>
鍦ㄨ彵褰?/p>
ABCD
涓紝
鐐?/p>
E
銆?/p>
F
鍒嗗埆鏄?/p>
AB
銆?/p>
AC
鐨勪腑鐐癸紝
濡傛灉鑿卞舰
ABCD
鐨勫懆闀挎槸
32
锛岄偅涔?/p>
EF
鐨勯暱涓猴紙
锛?/p>
A
锛?/p>
4
B
锛?/p>
8
C
锛?/p>
28
D
锛?/p>
32
6
锛?/p>
锛?/p>
3
鍒嗭級浜屾鍑芥暟
y=ax
2
+
bx
+
c
锛?/p>
a
鈮?/p>
0
锛夌殑鍥捐薄濡傚浘鎵�绀猴紝鍒欎笅鍒楃粨璁轰腑姝ｇ‘鐨?/p>
鏄紙
锛?/p>
A
锛?/p>
a
锛?/p>
0
B
锛庡綋
x
鈮?/p>
1
鏃讹紝
y
闅?/p>
x
鐨勫澶ц�屽澶?/p>
C
锛?/p>
c
锛?/p>
0
D
锛庡綋锕?/p>
1
锛?/p>
x
锛?/p>
3
鏃讹紝
y
锛?/p>
0