¸ºÊýµÄ¾ø¶ÔÖµÊÇËüµÄÏà·´Êý¡£¸ºÊýÊÇÊýѧÊõÓ±È0СµÄÊý½Ð×ö¸ºÊý£¬¸ºÊýÓëÕýÊý±íʾÒâÒåÏà·´µÄÁ¿¡£Á½¸ö¸ºÊý±È½Ï´óС£¬¾ø¶ÔÖµ´óµÄ·´¶øС¡£×î´óµÄ¸ºÕûÊýΪ£º-1£¬Ã»ÓÐ×îСµÄ¸ºÊý¡£
¸ºÊý
¸ºÊýÊÇÊýѧÊõÓ±È0СµÄÊý½Ð×ö¸ºÊý£¬¸ºÊýÓëÕýÊý±íʾÒâÒåÏà·´µÄÁ¿¡£¸ºÊýÓøººÅ(Minus Sign£¬¼´Ï൱ÓÚ¼õºÅ)¡°-¡±ºÍÒ»¸öÕýÊý±ê¼Ç£¬Èç?5£¬´ú±íµÄ¾ÍÊÇ5µÄÏà·´Êý¡£ÓÚÊÇ£¬ÈκÎÕýÊýÇ°¼ÓÉϸººÅ±ã³ÉÁ˸ºÊý¡£Ò»¸ö¸ºÊýÊÇÆä¾ø¶ÔÖµµÄÏà·´Êý¡£ÔÚÊýÖáÏßÉÏ£¬¸ºÊý¶¼ÔÚ0µÄ×ó²à£¬×îÔç¼ÇÔظºÊýµÄÊÇÎÒ¹ú¹Å´úµÄÊýѧÖø×÷¡¶¾ÅÕÂËãÊõ¡·¡£ÔÚËã³ïÖй涨"ÕýËã³à£¬¸ºËãºÚ"£¬¾ÍÊÇÓúìÉ«Ëã³ï±íʾÕýÊý£¬ºÚÉ«µÄ±íʾ¸ºÊý¡£Á½¸ö¸ºÊý±È½Ï´óС£¬¾ø¶ÔÖµ´óµÄ·´¶øС¡£
¸ºÊýµÄÐÔÖÊ
1¡¢¸ºÊý¶¼±ÈÁãС£¬Ôò¸ºÊý¶¼±ÈÕýÊýС¡£Áã¼È²»ÊÇÕýÊý£¬Ò²²»ÊǸºÊý£¬Ôò-a<0<(+)a¡£
2¡¢¸ºÊýÖÐûÓÐ×îСµÄÊý£¬Ò²Ã»ÓÐ×î´óµÄÊý¡£
3¡¢È¥³ý¸ºÊýÇ°µÄ¸ººÅµÈÓÚÕâ¸ö¸ºÊýµÄ¾ø¶ÔÖµ¡£
4¡¢·ÖÊýÒ²¿É×ö¸ºÊý£¬È磺-2/5
5¡¢¸ºÊýµÄƽ·½¸ùÓÃÐéÊýµ¥Î»¡°i¡±±íʾ¡£(ʵÊý·¶Î§ÄÚ¸ºÊýûÓÐƽ·½¸ù)