2020-2021
鍏ㄥ浗鍚勫湴涓�冩暟瀛﹀垎绫伙細鐩镐技缁煎悎棰樻眹缂栧惈璇︾粏绛旀
涓�銆佺浉浼?/p>
1
锛?/p>
濡傚浘锛屽凡鐭?/p>
A
锛堬梗
2
锛?/p>
0
锛夛紝
B
锛?/p>
4
锛?/p>
0
锛夛紝鎶涚墿绾?/p>
y=ax
2
+bx
锕?/p>
1
杩?/p>
A
銆?/p>
B
涓ょ偣锛屽苟涓庤繃
A
鐐?/p>
鐨勭洿绾?/p>
y=
锕?/p>
x
锕?/p>
1
浜や簬鐐?/p>
C
锛?/p>
锛?/p>
1
锛夋眰鎶涚墿绾胯В鏋愬紡鍙婂绉拌酱锛?/p>
锛?/p>
2
锛夊湪鎶涚墿绾跨殑瀵圭О杞翠笂鏄惁瀛樺湪涓�鐐?/p>
P
锛屼娇鍥涜竟褰?/p>
ACPO
鐨勫懆闀挎渶灏忥紵鑻ュ瓨鍦紝姹傚嚭鐐?/p>
P
鐨勫潗鏍囷紝鑻ヤ笉瀛樺湪锛岃璇存槑鐞嗙敱锛?/p>
锛?/p>
3
锛夌偣
M
涓?/p>
y
杞村彸渚ф姏鐗╃嚎涓婁竴鐐癸紝杩囩偣
M
浣滅洿绾?/p>
AC
鐨勫瀭绾匡紝鍨傝冻涓?/p>
N
锛庨棶锛氭槸鍚﹀瓨
鍦ㄨ繖鏍风殑鐐?/p>
N
锛屼娇浠ョ偣
M
銆?/p>
N
銆?/p>
C
涓洪《鐐圭殑涓夎褰笌
鈻?/p>
AOC
鐩镐技锛岃嫢瀛樺湪锛屾眰鍑虹偣
N
鐨勫潗
鏍囷紝鑻ヤ笉瀛樺湪锛岃璇存槑鐞嗙敱锛?/p>
銆愮瓟妗堛�?/p>
锛?/p>
1
锛夎В锛氭妸
A
锛?/p>
-2
锛?/p>
0
锛夛紝
B
锛?/p>
4
锛?/p>
0
锛変唬鍏ユ姏鐗╃嚎
y=ax
2
+bx-1
锛屽緱
瑙ｅ緱
鈭?/p>
鎶涚墿绾胯В鏋愬紡涓猴細
y=
x
2
鈭?/p>
x鈭?
鈭?/p>
鎶涚墿绾垮绉拌酱涓虹洿绾?/p>
x=-
锛?/p>
1
锛?/p>
2
锛夎В锛氬瓨鍦?/p>
浣垮洓杈瑰舰
ACPO
鐨勫懆闀挎渶灏忥紝鍙渶
PC+PO
鏈�灏?/p>
鈭?/p>
鍙栫偣
C
锛?/p>
0
锛?/p>
-1
锛夊叧浜庣洿绾?/p>
x=1
鐨勫绉扮偣
C鈥?/p>
锛?/p>
2
锛?/p>
-1
锛夛紝杩?/p>
C鈥睴
涓庣洿绾?/p>
x=1
鐨勪氦鐐瑰嵆涓?/p>
P
鐐癸紟
璁捐繃鐐?/p>
C鈥?/p>
銆?/p>
O
鐩寸嚎瑙ｆ瀽寮忎负锛?/p>
y=kx