°üÓÊ ÌâÖÐÌâ Êýѧ ¾ÅÈ« HK

¿ÎʱÌáÓÅ ÉÏ²á µÚ21Õ ¶þ´Îº¯ÊýÓë·´±ÈÀýº¯Êý 21.1¶þ´Îº¯Êý 21.2¶þ´Îº¯ÊýµÄͼÏóºÍÐÔÖÊ µÚ1¿Îʱ ¶þ´Îº¯Êýy=ax?µÄͼÏóºÍÐÔÖÊ µÚ2¿Îʱ ¶þ´Îº¯Êýy=ax?+kµÄͼÏóºÍÐÔÖÊ µÚ3¿Îʱ ¶þ´Îº¯Êýy=a(x+h)2µÄͼÏóºÍÐÔÖÊ µÚ4¿Îʱ ¶þ´Îº¯Êýy=a(x+h)?+kµÄͼÏóºÍÐÔÖÊ µÚ5¿Îʱ ¶þ´Îº¯Êýy=ax?+bx+cµÄͼÏóºÍÐÔÖÊ µÚ6¿Îʱ ¶þ´Îº¯Êý±í´ïʽµÄÈ·¶¨ רÌâÌáÓÅ1 ¶þ´Îº¯ÊýµÄ*ÖµÎÊÌâ 21.3¶þ´Îº¯ÊýÓëÒ»Ôª¶þ´Î·½³Ì רÌâÌáÓÅ2 ¶þ´Îº¯ÊýµÄͼÏóÓëϵÊýa£¬b£¬cµÄ¹Øϵ 21.4¶þ´Îº¯ÊýµÄÓ¦Óà µÚ1¿Îʱ ¼¸ºÎͼÐÎÎÊÌâ µÚ2¿Îʱ ¡°Å×ÎïÏß¡±Ä£ÐÍÎÊÌâ µÚ3¿Îʱ ʵ¼ÊÎÊÌâÖеÄÆäËû*ÖµÎÊÌâ רÌâÌáÓÅ3 ¶þ´Îº¯ÊýµÄʵ¼ÊÓ¦Óã¨ÏÞ¶¨·¶Î§£© 21.5·´±ÈÀýº¯Êý µÚ1¿Îʱ ·´±ÈÀýº¯Êý µÚ2¿Îʱ ·´±ÈÀýº¯ÊýµÄͼÏóºÍÐÔÖÊ µÚ3¿Îʱ ·´±ÈÀýº¯ÊýµÄʵ¼ÊÓ¦Óà רÌâÌáÓÅ4 ·´±ÈÀýº¯ÊýÓëÒ»´Îº¯ÊýµÄ×ÛºÏÓ¦Óà 21.6×ÛºÏÓëʵ¼ù »ñÈ¡ÓÅÑ¡ÀûÈó רÌâÌáÓÅ5 º¯ÊýͼÏóÐÅÏ¢Ìâ רÌâÌáÓÅ6 ¶þ´Îº¯ÊýÖеļ¸ºÎÃæ»ýÎÊÌâ רÌâÌáÓÅ7 ¶þ´Îº¯ÊýÖеÄÏ߶ÎÎÊÌâ רÌâÌáÓÅ8 ¶þ´Îº¯ÊýÖеļ¸ºÎͼÐδæÔÚÐÔÎÊÌâ µÚ21ÕÂÌáÓŲâÊÔ¾í ¡­¡­