绮惧搧鏂囨。
绮惧搧鏂囨。
1
锛庡鍥炬墍绀猴紝鎶涚墿绾?/p>
y=ax
2
+bx
锕?/p>
3
涓?/p>
x
杞翠氦浜?/p>
A
锛堬梗
1
锛?/p>
0
锛?/p>
锛?/p>
B
锛?/p>
3
锛?/p>
0
锛変袱鐐癸紝涓?/p>
y
杞翠氦浜庣偣
C
锛?/p>
锛?/p>
1
锛夋眰鎶涚墿绾跨殑瑙ｆ瀽寮忥紱
锛?/p>
2
锛夊鍥炬墍绀猴紝鐩寸嚎
BC
涓嬫柟鐨勬姏鐗╃嚎涓婃湁涓�鐐?/p>
P
锛岃繃鐐?/p>
P
浣?/p>
PE
鈯?/p>
BC
浜庣偣
E
锛屼綔
PF
骞宠浜?/p>
x
杞翠氦鐩寸嚎
BC
浜庣偣
F
锛屾眰鈻?/p>
PEF
鍛ㄩ暱鐨勬渶澶у�硷紱
锛?/p>
3
锛夊凡鐭ョ偣
M
鏄姏鐗╃嚎鐨勯《鐐癸紝鐐?/p>
N
鏄?/p>
y
杞翠笂涓�鐐癸紝鐐?/p>
Q
鏄潗鏍囧钩闈㈠唴涓�鐐癸紝鑻ョ偣
P
鏄姏鐗╃嚎涓婁竴鐐癸紝
涓斾綅浜庢姏鐗╃嚎鐨勫绉拌酱鍙充晶锛屾槸鍚﹀瓨鍦ㄤ互
P
銆?/p>
M
銆?/p>
N
銆?/p>
Q
涓洪《鐐逛笖浠?/p>
PM
涓鸿竟鐨勬鏂瑰舰锛熻嫢瀛樺湪锛岀洿鎺ュ啓鍑虹偣
P
鐨勬í鍧愭爣锛涜嫢涓嶅瓨鍦紝璇存槑鐞嗙敱锛?/p>