2017
骞翠腑鑰冨鑰冧笓棰樺涔狅細浜屾鍑芥暟
涓�銆佸崟閫夐锛堝叡
12
棰橈紱鍏?/p>
24
鍒嗭級
1
銆佸凡鐭ヤ簩娆″嚱鏁?/p>
y=x
2
+x+c
鐨勫浘璞′笌
x
杞寸殑涓�涓氦鐐逛负锛?/p>
1,0
锛夛紝鍒欏畠涓?/p>
x
杞寸殑鍙︿竴涓氦鐐瑰潗鏍囨槸
(??????? )
A
銆侊紙
1
锛?/p>
0
锛?/p>
B
銆侊紙锛?/p>
1
锛?/p>
0
锛?/p>
C
銆侊紙
2
锛?/p>
0
锛?/p>
D
銆侊紙锛?/p>
2
锛?/p>
0
锛?/p>
2
銆?/p>
?
濡傚浘鏄簩娆″嚱鏁?/p>
y=ax
2
+bx+c
鐨勯儴鍒嗗浘璞★紝鐢卞浘璞″彲鐭ヤ笉绛夊紡
ax
2
+bx+c
锛?/p>
0
鐨勮В闆嗘槸锛?/p>
???
锛?/p>
A
銆?/p>
-1
锛?/p>
x
锛?/p>
5
B
銆?/p>
x
锛?/p>
5
C
銆?/p>
x
锛?/p>
-1
涓?/p>
x
锛?/p>
5
D
銆?/p>
x
锛?/p>
-1
鎴?/p>
x
锛?/p>
5
3
銆侊紙
2016?
寰峰窞锛変笅鍒楀嚱鏁颁腑锛屾弧瓒?/p>
y
鐨勫�奸殢
x
鐨勫�煎澶ц�屽澶х殑鏄紙
锛?/p>
A
銆?/p>
y=
锕?/p>
2x
B
銆?/p>
y=3x
锕?/p>
1
C
銆?/p>
y=
D
銆?/p>
y=x
2
4
銆侊紙
2016?
瀹佹尝锛夊凡鐭ュ嚱鏁?/p>
y=ax
2
锕?/p>
2ax
锕?/p>
1
锛?/p>
a
鏄父鏁帮紝
a鈮?
锛夛紝涓嬪垪缁撹姝ｇ‘鐨勬槸锛?/p>
?
锛?/p>
A
銆佸綋
a=1
鏃讹紝鍑芥暟鍥捐薄杩囩偣锛堬梗
1
锛?/p>
1
锛?/p>
B
銆佸綋
a=
锕?/p>
2
鏃讹紝鍑芥暟鍥捐薄涓?/p>
x
杞存病鏈変氦鐐?/p>
C
銆佽嫢
a
锛?/p>
0
锛屽垯褰?/p>
x鈮?
鏃讹紝
y
闅?/p>
x
鐨勫澶ц�屽噺灏?/p>
D
銆佽嫢
a
锛?/p>
0
锛屽垯褰?/p>
x鈮?
鏃讹紝
y
闅?/p>
x
鐨勫澶ц�屽澶?/p>
5
銆?/p>
锛?/p>
2016?
婊ㄥ窞锛夊湪骞抽潰鐩磋鍧愭爣绯讳腑锛屾妸涓�鏉℃姏鐗╃嚎鍏堝悜涓婂钩绉?/p>
3
涓崟浣嶉暱搴︼紝鐒跺悗缁曞師鐐归�夋嫨
180掳
寰楀埌鎶涚墿绾?/p>
y=x
2
+5x+6
锛屽垯鍘熸姏鐗╃嚎鐨勮В鏋愬紡鏄紙
锛?/p>
A
銆?/p>
y=
锕ｏ紙
x
锕?/p>
锛?/p>
2
锕?/p>
B
銆?/p>
y=
锕ｏ紙
x+
锛?/p>
2
锕?/p>
C
銆?/p>
y=
锕ｏ紙
x
锕?/p>
锛?/p>
2
锕?/p>
D
銆?/p>
y=
锕ｏ紙
x+
锛?/p>
2
+
6
銆侊紙
2016?
榛勭煶锛変互
x
涓鸿嚜鍙橀噺鐨勪簩娆″嚱鏁?/p>
y=x
2
锕?/p>
2
锛?/p>
b
锕?/p>
2
锛?/p>
x+b
2
锕?/p>
1
鐨勫浘璞′笉缁忚繃绗笁璞￠檺锛屽垯
瀹炴暟
b
鐨勫彇鍊艰寖鍥存槸锛?/p>
锛?/p>
A
銆?/p>
b鈮?nbsp;
B
銆?/p>
b鈮?
鎴?/p>
b鈮?/p>
锕?/p>
1
C
銆?/p>
b鈮?
D
銆?/p>
1鈮鈮?
7
銆侊紙
2016?
鍏板窞锛変簩娆″嚱鏁?/p>
y=x
2
锕?/p>
2x+4
鍖栦负
y=a
锛?/p>
x
锕?/p>
h
锛?/p>
2
+k
鐨勫舰寮忥紝涓嬪垪姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
銆?/p>
y=
锛?/p>
x
锕?/p>
1
锛?/p>
2
+2
B
銆?/p>
y=
锛?/p>
x
锕?/p>
1
锛?/p>
2
+3
C
銆?/p>
y=
锛?/p>
x
锕?/p>
2
锛?/p>
2
+2
D
銆?/p>
y=
锛?/p>
x
锕?/p>
2
锛?/p>
2
+4
8
銆侊紙
2016?
姣曡妭甯傦級涓�娆″嚱鏁?/p>
y=ax+b
锛?/p>
a鈮?
锛変笌浜屾鍑芥暟
y=ax
2
+bx+c
锛?/p>
a鈮?
锛夊湪鍚屼竴骞抽潰鐩磋鍧愭爣
绯讳腑鐨勫浘璞″彲鑳芥槸锛?/p>
锛?/p>
A
銆?/p>
B
銆?/p>
C
銆?/p>
D
銆?/p>
9
銆侊紙
2016?
鍛煎拰娴╃壒锛夊凡鐭?/p>
a鈮?
锛?/p>
m
2
锕?/p>
2am+2=0
锛?/p>
n
2
锕?/p>
2an+2=0
锛屽垯锛?/p>
m
锕?/p>
1
锛?/p>
2
+
锛?/p>
n
锕?/p>
1
锛?/p>
2
鐨勬渶灏忓�?/p>
鏄紙
锛?/p>
A
銆?/p>
6