2019-2020
瀛﹀勾涔濆勾绾ф暟瀛︿笂鍐?/p>
绗竴绔?/p>
涓�鍏冧簩娆℃柟绋嬪皬缁撲笌鎬濊�冨瀛?
妗堬紙鏂扮増锛夎嫃绉戠増
鐝骇
______
瀛﹀彿
_____
濮撳悕
___________
涓�銆佺煡璇嗙偣褰掔撼锛?/p>
1.
鏂圭▼鐨勫垎绫伙細
2.
涓�鍏冧簩娆℃柟绋嬶細
鍙惈鏈?/p>
涓湭鐭ユ暟锛屽苟涓旀湭鐭ユ暟鐨勬渶楂樻鏁版槸
鐨勬暣寮忔柟绋嬶紝鍙仛涓�鍏冧簩娆℃柟绋嬶紝鍏?/p>
涓�鑸舰寮忎负
銆?/p>
鈼?nbsp;
瑙ｄ竴鍏冧簩娆℃柟绋嬬殑鏂规硶鏈夛細
鈶?/p>
锛涒憽
锛涒憿
锛涒懀
锛?/p>
3.
涓�鍏冧簩娆℃柟绋?/p>
ax
2
+
bx
+
c
=0
鐨勬眰鏍瑰叕寮忎负
x
=
銆?/p>
4.
涓�鍏冧簩娆℃柟绋?/p>
ax
2
+
bx
+
c
=0
鐨勬牴鐨勫垽鍒紡銆?/p>
锛?/p>
1
锛夊綋
鏃讹紝鏂圭▼鏈?/p>
涓や釜涓嶇浉绛?/p>
锛庯紟锛庯紟锛?/p>
鐨勫疄鏁版牴锛?/p>
锛?/p>
2
锛夊綋
鏃讹紝鏂圭▼鏈?/p>
涓や釜鐩哥瓑
锛庯紟锛庯紟
鐨勫疄鏁版牴锛?/p>
锛?/p>
3
锛夊綋
鏃讹紝鏂圭▼
娌℃湁瀹炴暟鏍?/p>
锛庯紟锛庯紟锛?/p>
銆?/p>
5
锛庝竴鍏冧簩娆℃柟绋嬬殑鏍逛笌绯绘暟鐨勫叧绯伙細
濡傛灉
ax
2
+
bx
+
c
=0
锛?/p>
a
鈮?锛夌殑涓や釜鏍规槸
x
1
锛?/p>
x
2
锛岄偅涔堬細
_______
________,
2
1
2
1
飥?/p>
飪?/p>
飥?/p>
飥?/p>
x
x
x
x
濡傛灉鏂圭▼
x
2
+
px
+
q
锛?/p>
0
鐨勪袱涓牴鏄?/p>
x
1
锛?/p>
x
2
锛岄偅涔?/p>
x
1
锛?/p>
x
2
锛?/p>
________
,
x
1
路
x
2
=
_______
锛?/p>
浜屻�佷緥棰橈細
锛堜竴锛変竴鍏冧簩娆℃柟绋嬬殑姒傚康銆佷竴鑸舰寮忕殑鑰冩煡锛?/p>
1
銆佷笅鍒楁柟绋嬩腑锛屾槸涓�鍏冧簩娆℃柟绋嬬殑鏄?/p>
锛?/p>
锛?/p>
A
銆?/p>
x
2
+3
x
+
y
=0
锛?/p>
B
銆?/p>
x
+
y
+1=0
锛?/p>
C
銆?/p>
2
1
3
1
2
2
飥?/p>
飥?/p>
飥?/p>
x
x
锛?/p>
D
銆?/p>
0
5
1
2
飥?/p>
飥?/p>
飥?/p>
x
x
2
銆佸叧浜?/p>
x
鐨勪竴鍏冧簩娆℃柟绋?/p>
(
m
锛?/p>
1)
x
2
锛?/p>
x
锛?/p>
m
2
锛?/p>
1
锛?/p>
0
鏈変竴鏍逛负
0
锛屽垯
m
鐨勫�间负
锛?/p>
锛?/p>
A
銆?/p>
1
B
銆侊紞
1
C
銆?/p>
1
鎴栵紞
1
D
銆?/p>
2
1
3
銆佽嫢鍏充簬
x
鐨勪竴鍏冧簩娆℃柟绋?/p>
0
2
3
5
)
1
(
2
2
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
m
m
x
x
m
鐨勫父鏁伴」涓?/p>
0
锛屽垯
m
鐨勫�肩瓑浜庯紙
锛?/p>
A
锛?/p>
1
B
锛?/p>
2
C
锛?/p>
1
鎴?/p>
2
D
锛?/p>
0
锛堜簩锛変竴鍏冧簩娆℃柟绋嬬殑瑙ｅ強鍏惰В娉曠殑鑰冩煡锛?/p>
1
銆佸叧浜?/p>
x
鐨勪竴鍏冧簩娆℃柟绋?/p>
2
2
5
2
5
0
x
x
p
p
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
鐨勪竴涓牴涓?/p>
1
锛屽垯瀹炴暟
p
鐨勫�兼槸锛?/p>
锛?/p>
A
锛?/p>
4
B
锛?/p>
0
鎴?/p>
2
C
锛?/p>
1
D
锛?/p>
1
飥?/p>
2
銆?/p>
瑕佷娇鍒嗗紡
4
4
5
2
飥?/p>
飥?/p>
飥?/p>
x
x
x
鐨勫�间负
0
锛屽垯
x
搴旇绛変簬锛?/p>
锛?/p>
锛?/p>
A
锛?/p>
4
鎴?/p>
1
锛?/p>
B
锛?/p>
4
锛?/p>
C
锛?/p>
1
锛?/p>
D
锛?/p>
4
飥?/p>
鎴?/p>
1
飥?/p>
3
銆?/p>
蹇呮湁涓�涓牴鏄?/p>
鍒欎竴鍏冧簩娆℃柟绋?/p>
濡傛灉
)
0
(
0
,
0
2
飩?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
飥?/p>
a
c
bx
ax
c
b
a
銆?/p>