±à¼£ºrichie
2023-11-22 13:08:08
¶þ´Îº¯ÊýÊǸßÖÐÊýѧÖÐÖØÒªµÄ¸ÅÄîÖ®Ò»¡£ËüµÄͼÏñÊÇÒ»¸ö¶þ´ÎÇúÏߣ¬ËüµÄÐÎ×´ºÍλÖÃÓë¶þ´Îº¯ÊýµÄϵÊýÓйء£ÈçºÎÅж϶þ´Îº¯ÊýµÄÏóÏÞÊǽâ¾ö¶þ´Îº¯ÊýÏà¹ØÎÊÌâµÄ¹Ø¼ü²½ÖèÖ®Ò»¡£
ÔÚ¶þάƽÃæÖ±½Ç×ø±êϵÖУ¬¸ù¾ÝxÖáºÍyÖáµÄÕý¸º¹Øϵ£¬½«Æ½Ãæ·ÖΪËĸöÏóÏÞ£¬·Ö±ð¼Ç×÷µÚÒ»ÏóÏÞ¡¢µÚ¶þÏóÏÞ¡¢µÚÈýÏóÏ޺͵ÚËÄÏóÏÞ¡£
Åж϶þ´Îº¯ÊýµÄÏóÏÞ£¬ÐèÒª¹Ø×¢º¯ÊýµÄ¶þ´ÎÏîϵÊýºÍÒ»´ÎÏîϵÊý¡£
½áºÏ¶þ´ÎÏîϵÊýºÍÒ»´ÎÏîϵÊýµÄÕý¸º£¬ÎÒÃÇ¿ÉÒÔÅж϶þ´Îº¯ÊýµÄͼÏñËù´¦µÄÏóÏÞ¡£
ÏÖÔÚÎÒÃÇͨ¹ýÒ»¸ö¾ßÌåµÄÀý×ÓÀ´Ñ§Ï°ÈçºÎÅж϶þ´Îº¯ÊýµÄÏóÏÞ£º
¶ÔÓÚ¶þ´Îº¯Êýy = -2x^2 + 3x - 1£¬ÎÒÃÇ¿ÉÒÔÏȹ۲ì¶þ´ÎÏîϵÊýºÍÒ»´ÎÏîϵÊýµÄ·ûºÅ¡£
¶þ´ÎÏîϵÊýa = -2£¬Ð¡ÓÚÁ㣬˵Ã÷¶þ´Îº¯ÊýµÄͼÏñ¿ª¿Ú³¯Ï¡£
Ò»´ÎÏîϵÊýb = 3£¬´óÓÚÁ㣬˵Ã÷¶þ´Îº¯ÊýµÄͼÏñÔÚyÖáÏ·½¡£
×ÛºÏÅжϣ¬¶þ´Îº¯Êýy = -2x^2 + 3x - 1µÄͼÏñλÓÚµÚÈýÏóÏÞ¡£
ÔÚÅж϶þ´Îº¯ÊýµÄÏóÏÞʱ£¬ÐèҪעÒâһЩÌØÊâÇé¿ö£º
ÕâЩÌØÊâÇé¿öÐèÒªµ¥¶À¿¼ÂÇ¡£
Åж϶þ´Îº¯ÊýµÄÏóÏÞÊÇÊýѧÖеĻù±¾¼¼ÄÜÖ®Ò»¡£Í¨¹ý¹Û²ì¶þ´ÎÏîϵÊýºÍÒ»´ÎÏîϵÊýµÄÕý¸º¹Øϵ£¬ÎÒÃÇ¿ÉÒÔÅж϶þ´Îº¯ÊýµÄͼÏñËù´¦µÄÏóÏÞ¡£Õâ¸ö¼¼ÄÜÔÚ½â¾öÓë¶þ´Îº¯ÊýÏà¹ØµÄÊýѧÎÊÌâʱ·Ç³£ÓÐÓá£
ͨ¹ý±¾ÎĵĽéÉÜ£¬Ï£Íû¶ÁÕ߶ÔÈçºÎÅж϶þ´Îº¯ÊýµÄÏóÏÞÓÐÁ˸üÉîÈëµÄÁ˽⡣
¾«Æ·Ñ§Ï°Íø(51edu.com)ÔÚ½¨Éè¹ý³ÌÖÐÒýÓÃÁË»¥ÁªÍøÉϵÄһЩÐÅÏ¢×ÊÔ´²¢¶ÔÓÐÃ÷È·À´Ô´µÄÐÅÏ¢×¢Ã÷Á˳ö´¦£¬°æȨ¹éÔ×÷Õß¼°ÔÍøÕ¾ËùÓУ¬Èç¹ûÄú¶Ô±¾Õ¾ÐÅÏ¢×ÊÔ´°æȨµÄ¹éÊôÎÊÌâ´æÓÐÒìÒ飬ÇëÄúÖÂÐÅqinquan#51edu.com(½«#»»³É@)£¬ÎÒÃÇ»áÁ¢¼´×ö³ö´ð¸´²¢¼°Ê±½â¾ö¡£Èç¹ûÄúÈÏΪ±¾Õ¾ÓÐÇÖ·¸ÄúȨÒæµÄÐÐΪ£¬Çë֪ͨÎÒÃÇ£¬ÎÒÃÇÒ»¶¨¸ù¾Ýʵ¼ÊÇé¿ö¼°Ê±´¦Àí¡£