B\u00e0i 6<\/strong> Trong m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 Oxy cho \u0111\u01b0\u1eddng th\u1eb3ng d: 2x \u2013 3y + 5 = 0 v\u00e0 \u0111i\u1ec3m M(\u20131; 2).<\/p>\na. T\u00ecm \u1ea3nh c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng d qua ph\u00e9p t\u1ecbnh ti\u1ebfn theo v \u00a0= (1; 3)<\/p>\n
b. T\u00ecm \u1ea3nh c\u1ee7a \u0111i\u1ec3m M qua ph\u00e9p \u0111\u1ed3ng d\u1ea1ng c\u00f3 \u0111\u01b0\u1ee3c b\u1eb1ng c\u00e1ch th\u1ef1c hi\u1ec7n li\u00ean ti\u1ebfp ph\u00e9p v\u1ecb t\u1ef1 t\u00e2m O t\u1ef7 s\u1ed1 2 v\u00e0 ph\u00e9p \u0111\u1ed1i x\u1ee9ng tr\u1ee5c Ox.<\/p>\n
\u00a0<\/strong><\/p>\nB\u00e0i 7<\/strong> :Cho \u0111\u01b0\u1eddng tr\u00f2n (O) . Tr\u00ean O l\u1ea5y A c\u1ed1 \u0111\u1ecbnh v\u00e0 M di \u0111\u1ed9ng tr\u00ean (O) . G\u1ecdi I l\u00e0 trung \u0111i\u1ec3m AB .<\/p>\na.T\u00ecm t\u1eadp h\u1ee3p tr\u1ecdng t\u00e2m G c\u1ee7a tam gi\u00e1c OAM<\/p>\n
b.T\u00ecm t\u1eadp h\u1ee3p trong t\u00e2m c\u1ee7a tam gi\u00e1c OAI<\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
C\u00e1c em tham kh\u1ea3o \u0110\u1ec1 thi gi\u1eefa h\u1ecdc k\u00ec 1 m\u00f4n To\u00e1n, l\u1edbp 11 n\u0103m 2015 THPT Mai Linh c\u00e1c em c\u00f9ng tham kh\u1ea3o chi ti\u1ebft d\u01b0\u1edbi \u0111\u00e2y B\u00e0i 1. T\u00ecm t\u1eadp x\u00e1c \u0111\u1ecbnh c\u1ee7a c\u00e1c h\u00e0m s\u1ed1 B\u00e0i 2. X\u00e1c \u0111\u1ecbnh t\u00ednh ch\u1eb5n \u2013 l\u1ebb c\u1ee7a c\u00e1c h\u00e0m s\u1ed1 a. y = 2x \u2013 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[171],"tags":[],"yoast_head":"\n
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