2014-2015
瀛﹀勾灞变笢鐪佷复娌傚競鑾掑崡鍘夸節骞寸骇锛堜笂锛夋湡鏈暟瀛﹁瘯鍗?/p>
涓�銆侀�夋嫨棰橈紙姣忓皬棰?/p>
3
鍒嗭紝鍏?/p>
42
鍒嗭級
1
锛庝笅鍒楀悇鐐逛腑锛屽湪鍑芥暟
y=
锕?/p>
鍥捐薄涓婄殑鏄紙
锛?/p>
A
锛?/p>
锛堬梗
2
锛岋梗
4
锛?/p>
B
锛?/p>
锛?/p>
2
锛?/p>
3
锛?/p>
C
锛?/p>
锛堬梗
1
锛?/p>
6
锛?/p>
D
锛?/p>
锛堬梗
锛?/p>
3
锛?/p>
2
锛?/p>
鑻ュ叧浜?/p>
x
鐨勪竴鍏冧簩娆℃柟绋?/p>
x
2
+2x+k=0
鏈変袱涓笉鐩哥瓑鐨勫疄鏁版牴锛?/p>
鍒?/p>
k
鐨勫彇鍊艰寖鍥存槸
锛?/p>
锛?/p>
A
锛?/p>
k
锛?/p>
1 B
锛?/p>
k
锛?/p>
1 C
锛?/p>
k=1 D
锛?/p>
k
鈮?/p>
0
3
锛庝竴涓渾閿ョ殑渚ч潰灞曞紑鍥炬槸鍗婂緞涓?/p>
1
鐨勫崐鍦嗭紝鍒欒鍦嗛敟鐨勫簳闈㈠崐寰勬槸锛?/p>
锛?/p>
A
锛?/p>
1 B
锛?/p>
C
锛?/p>
D
锛?/p>
4
锛庡鍥撅紝灏嗙瓑鑵扮洿瑙掍笁瑙掑舰
ABC
缁曠偣
A
閫嗘椂閽堟棆杞?/p>
15
掳
鍚庡緱鍒?/p>
鈻?/p>
AB
鈥?/p>
C
鈥?/p>
锛岃嫢
AC=1
锛屽垯鍥?/p>
涓槾褰遍儴鍒嗙殑闈㈢Н涓猴紙
锛?/p>
A
锛?/p>
B
锛?/p>
C
锛?/p>
D
锛?/p>
5
锛庡凡鐭ヤ簩娆″嚱鏁?/p>
y=mx
2
+x+m
锛?/p>
m
锕?/p>
2
锛夌殑鍥捐薄缁忚繃鍘熺偣锛屽垯
m
鐨勫�间负锛?/p>
锛?/p>
A
锛?/p>
0
鎴?/p>
2 B
锛?/p>
0 C
锛?/p>
2 D
锛?/p>
鏃犳硶纭畾
6
锛庡鍥撅紝鈯?/p>
O
鏄?/p>
鈻?/p>
ABC
鐨勫鎺ュ渾锛?/p>
AD
鏄姍
O
鐨勭洿寰勶紝鑻モ姍
O
鐨勫崐寰勪负
锛?/p>
AC=2
锛屽垯
DC
鐨勫�兼槸锛?/p>
锛?/p>