бÂÊ
¸ßÖÐÎïÀíͼÏñÔõÑù¸ãÃ÷°×бÂÊ´ú±íʲô »¹ÓÐÔõô¼ÆËã...
±ØÐë»á±³ËÐËùÓеĸßÖÐÎïÀí¹«Ê½£¬ÉÌ¿´Ð±ÂʾÍ˵y³ýÒÔx¡£yµÈÓÚkx¾ÍÊÇ×ÝÖá³ýÒÔºáÖá°¡£¬Óõ¥Î»½øÐмìÑ飬Ȼºó·ûºÏʲôÎïÀíÒâÒå¾Í´ú±íʲô¡£
Á½µãÔõôÇóбÂÊ - °Ù¶È¾Ñé
1 бÂʵÄÇó½â·½·¨´óÖ·ÖΪб½ØÊ½¡¢µãбʽ¡¢½Ø¾àʽ¡¢ÇÐÏß·¨¡¢Á½µãʽ¡£ ÄãËùÎʵÄÎÊÌâÉæ¼°µÄÊÇÁ½µãʽ¡£½ÓÏÂÀ´»á³õ²½½éÉÜÿÖÖ·½·¨£¬×îºóÏêϸ¾ßÌå...
ÈçºÎÇóÖ±ÏßµÄбÂÊ?
1¡¢ÒÑÖªÇãб½Ça£¬Ð±ÂÊk=tana¡£2¡¢ÒÑÖª¹ýÁ½µã£¨x1£¬y1£©£¨x2£¬y2)£¬ÔòбÂÊk=(y1-y2)/(x1-x2)¡£3¡¢ÒÑÖªÖ±Ïߵķ½ÏòÏòÁ¿£¨a,b£©Ôòб...
бÂʵÄÇó·¨?
¶ÔÓÚº¯Êýy=f£¨x£©£¬ÆäбÂÊ¿ÉÒÔ±íʾΪ£º¼ÙÉ躯ÊýΪy=ax+b£¬ÄÇôÆäбÂʾÍÊÇa¡£Èç¹ûº¯ÊýΪ¶þ´Îº¯Êýy=ax^2+bx+c£¬ÄÇôÆäбÂʾÍÊÇb¡£Èç¹ûº¯...
Á½ÌõÖ±ÏßµÄбÂʹ«Ê½ÒÑÖªÁ½ÌõÖ±ÏßµÄÒ»°ãʽ (y=kx+b) Çó...
бÂÊÊÇÖ¸Ö±ÏßÓëxÖáÕý·½ÏòµÄÇãб³Ì¶È,ͨ³£½«xÖáÈÆ½»µãÄæÊ±Õëת¶¯µ½ÓëÖ±ÏßÖØºÏʱµÄËùÐγɵĽdzÆÎªÇãб½ÇÖ±ÏßµÄбÂÊK=tan A ÆäÖе±Ö±Ïß´¹Ö±xÖáʱбÂʲ»´æÔÚ(A¼´ÊÇÇãб½Ç)...
бÂʵĹ«Ê½ÊÇʲô - °Ù¶È¾Ñé
1 бÂʵĹ«Ê½ÊÇ£ºax+by+c=0ÖУ¬k=-a/b¡£Ð±ÂʼÆË㣺ax+by+c=0ÖУ¬k=-a/b¡£Ð±ÂÊ£¬ÊDZíʾһÌõÖ±Ïߣ¨»òÇúÏßµÄÇÐÏߣ©¹ØÓÚ£¨ºá£©×ø±êÖá...
ÔõÑùÓÃÈýÖÖ·½·¨ÇóбÂÊ?
¼ÆËãбÂʵÄÈýÖÖ·½·¨ÈçÏ£º1¡¢Ö±½Ó·¨£ºµ±ÒÑÖªÖ±ÏßÉÏÁ½µãµÄ×ø±êʱ£¬¿ÉÒÔÖ±½ÓÀûÓÃбÂʹ«Ê½¼ÆË㡣бÂʹ«Ê½Îªk=y2-y1/x2-x1£¬ÆäÖУ¨x1£¬y1£©ºÍ£¨...
бÂÊÔõÑù¼ÆËã?
¼ÆËãбÂʵĹ«Ê½Îª£ºÐ±ÂÊk=£¨y2-y1£©/£¨x2-x1£©£¬ÆäÖУ¨x1,y1£©ºÍ£¨x2,y2£©ÊÇÖ±ÏßÉϵÄÁ½¸öµã¡£Ö±ÏßбÂÊÊÇÊýѧÖеÄÒ»¸ö¸ÅÄÓÃÀ´ºâÁ¿...
...Á½µãʽ¡¢½Ø¾àʽ¡¢Ð±½ØÊ½Õâ6ÖÖÐÎʽ¸÷×ÔÇóбÂʵĹ«Ê½...
µãбʽ:ÒÑ֪бÂÊk,¾¹ýµã(a,b) y=k(x-a)+b бÂÊÖ±½Ó¾ÍÊÇkÁ½µãʽ:ÒÑÖªÁ½µã(x1,y1),(x2,y2) (y-y1)/(x-x1)=(y1-y2)/(x1-x2) (y-y2)/(x-x2)...
ʲô½ÐбÂÊ?ÔõôËãбÂÊ?
бÂÊ£¬Êýѧ¡¢¼¸ºÎѧÃû´Ê£¬ÊDZíʾһÌõÖ±Ïߣ¨»òÇúÏßµÄÇÐÏߣ©¹ØÓÚ£¨ºá£©×ø±êÖáÇãб³Ì¶ÈµÄÁ¿¡£Ëüͨ³£ÓÃÖ±Ïߣ¨»òÇúÏßµÄÇÐÏߣ©Ó루ºá£©×ø±êÖá¼Ð½ÇµÄ...