Èçͼ£¬µãAµÄ×ø±êΪ(3£¬4)£¬µãOµÄ×ø±êΪ(0£¬0)£¬µãBµÄ×ø±êΪ(4£¬0)£®

(1)½«¡÷AOBÑØxÖáÏò×óƽÒÆ1¸öµ¥Î»ºóµÃ¡÷A1O1B1£¬ÔòµãA1µÄ×ø±êΪ(__________£¬__________)£¬¡÷A1O1B1µÄÃæ»ýΪ__________£»

(2)½«¡÷AOBÈÆÔ­µãÐýת180¡ãºóµÃ¡÷A2O2B2£¬ÔòµãA2µÄ×ø±êΪ(__________£¬__________)£»

(3)½«¡÷AOBÑØxÖá·­ÕÛºóµÃ¡÷A3O3B3£¬ÔòµãA3µÄ×ø±êΪ(__________£¬__________)£»

(4)ÒÔOΪλËÆÖÐÐÄ£¬°´±ÈÀý³ß2¡Ã1½«¡÷AOB·Å´óºóµÃ¡÷A4O4B4£¬ÈôµãB4ÔÚxÖáµÄÕý°ëÖáÉÏ£¬ÔòµãA4µÄ×ø±êΪ(__________£¬__________)£¬¡÷A4O4B4µÄÃæ»ýΪ__________£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

£¨2012•¹ðƽÊÐÈýÄ££©Èçͼ£¬µãPµÄ×ø±êΪ£¨2£¬
3
2
£©£¬¹ýµãP×÷xÖáµÄƽÐÐÏß½»yÖáÓÚµãA£¬½»·´±ÈÀýº¯Êýy=
k
x
£¨x£¾0£©µÄͼÏóÓÚµãN£»×÷PM¡ÍAN½»·´±ÈÀýº¯Êýy=
k
x
£¨x£¾0£©µÄͼÏóÓÚµãM£¬PN=4£®
£¨1£©Çó·´±ÈÀýº¯ÊýºÍÖ±ÏßAMµÄ½âÎöʽ£»
£¨2£©Çó¡÷APMµÄÃæ»ý£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

ÒÑÖª£ºÔÚÖ±½Ç×ø±êϵÖУ¬µãCµÄ×ø±êΪ£¨0£¬-2£©£¬µãAÓëµãBÔÚxÖáÉÏ£¬ÇÒµãAÓëµãBµÄºá×ø±êÊÇ·½³Ìx2-3x-4=0µÄÁ½¸ö¸ù£¬µãAÔÚµãBµÄ×ó²à£®
£¨1£©Çó¾­¹ýA¡¢B¡¢CÈýµãµÄÅ×ÎïÏߵĹØϵʽ£®
£¨2£©Èçͼ£¬µãDµÄ×ø±êΪ£¨2£¬0£©£¬µãP£¨m£¬n£©ÊǸÃÅ×ÎïÏßÉϵÄÒ»¸ö¶¯µã£¨ÆäÖÐm£¾0£¬n£¼0£©£¬Á¬½ÓDP½»BCÓÚµãE£®
¢Ùµ±¡÷BDEÊǵÈÑüÈý½ÇÐÎʱ£¬Ö±½Óд³ö´ËʱµãEµÄ×ø±ê£®
¢ÚÁ¬½ÓCD¡¢CP£¬¡÷CDPÊÇ·ñÓÐ×î´óÃæ»ý£¿ÈôÓУ¬Çó³ö¡÷CDPµÄ×î´óÃæ»ýºÍ´ËʱµãPµÄ×ø±ê£»ÈôûÓУ¬Çë˵Ã÷ÀíÓÉ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

Èçͼ£¬µãAµÄ×ø±êΪ£¨-1£¬0£©£¬µãBÔÚÖ±Ïßy=xÉÏÔ˶¯£¬µ±Ï߶ÎAB×î¶Ìʱ£¬µãBµÄ×ø±êΪ
£¨-
1
2
£¬-
1
2
£©
£¨-
1
2
£¬-
1
2
£©
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

Èçͼ£¬µãAµÄ×ø±êΪ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

¾«Ó¢¼Ò½ÌÍøÈçͼ£¬µãAµÄ×ø±êΪ£¨-1£¬2£©£¬µãBµÄ×ø±êΪ£¨2£¬1£©£¬ÓÐÒ»µãCÔÚxÖáÉÏÒƶ¯£¬ÔòµãCµ½A¡¢BÁ½µãµÄ¾àÀëÖ®ºÍµÄ×îСֵΪ£¨¡¡¡¡£©
A¡¢3
2
B¡¢4
C¡¢3
D¡¢4
2

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸