\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT H\u1ed3ng \u0110\u1ee9c, t\u1ec9nh Qu\u1ea3ng B\u00ecnh n\u0103m 2016, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n
C\u00e2u 3 ( 2 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00e0m s\u1ed1 y =x3<\/sup> \u2013 3x + 1 c\u00f3 \u0111\u1ed3 th\u1ecb (C )<\/p>\n a)\u00a0\u00a0\u00a0 Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a (C ) t\u1ea1i \u0111i\u1ec3m M(2;3)<\/p>\n b)\u00a0\u00a0 Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a (C ) bi\u1ebft ti\u1ebfp tuy\u1ebfn song song v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng y=-3x+11<\/p>\n C\u00e2u 4 ( 3,0 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng t\u00e2m O c\u00f3 c\u1ea1nh b\u1eb1ng a, c\u1ea1nh b\u00ean SA vu\u00f4ng g\u00f3c v\u1edbi \u0111\u00e1y, SA = \u221a6.<\/p>\n a) ch\u1ee9ng minh BD^ (SAC)<\/p>\n b) t\u00ednh g\u00f3c gi\u1eefa c\u00e1c c\u1ea1nh b\u00ean SC v\u00e0 m\u1eb7t \u0111\u00e1y.<\/p>\n c) g\u1ecdi E, F l\u1ea7n l\u01b0\u1ee3t l\u00e0 trung \u0111i\u1ec3m c\u1ee7a BC v\u00e0 SD. T\u00ednh kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u01b0\u1eddng th\u1eb3ng ch\u00e9o nhau DE v\u00e0 CF.<\/p>\n <\/p>\n \n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT H\u1ed3ng \u0110\u1ee9c, t\u1ec9nh Qu\u1ea3ng B\u00ecnh n\u0103m 2016, c\u00e1c em tham kh\u1ea3o d\u01b0\u1edbi \u0111\u00e2y: C\u00e2u 3 ( 2 \u0111i\u1ec3m) Cho h\u00e0m s\u1ed1 y =x3 \u2013 3x + 1 c\u00f3 \u0111\u1ed3 th\u1ecb (C ) a)\u00a0\u00a0\u00a0 Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a (C ) t\u1ea1i \u0111i\u1ec3m […]<\/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