{"segment":[{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd, t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m M l\u00e0: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-01.png' \/><\/center> ","select":["A. M(2; 3)","B. M(2; 0)","C. M(0; 3)","D. M(3; 2)"],"explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh, c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - Ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00e3 cho. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua M v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Ox c\u1eaft Ox t\u1ea1i \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 3. <br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua M v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Oy c\u1eaft Oy t\u1ea1i \u0111i\u1ec3m c\u00f3 tung \u0111\u1ed9 l\u00e0 2. <br\/> V\u1eady t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m M l\u00e0 (3; 2)<br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 D. <\/span> <\/span>","column":2}]}],"id_ques":711},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m P l\u00e0: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-02.png' \/><\/center> ","select":["A. P(0; 3","B. P(3; 0)","C. P(3; 3)","D. P(-3; 0)"],"explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh, c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - Ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00e3 cho. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i: <\/span> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-021.png' \/><\/center><br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua P v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Ox c\u1eaft Ox t\u1ea1i \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 3 <br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua P v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Oy c\u1eaft Oy t\u1ea1i \u0111i\u1ec3m c\u00f3 tung \u0111\u1ed9 l\u00e0 0 <br\/> V\u1eady t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m P l\u00e0 (3;0)<br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":2}]}],"id_ques":712},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"M\u1ed9t \u0111i\u1ec3m b\u1ea5t k\u00ec tr\u00ean tr\u1ee5c ho\u00e0nh c\u00f3 tung \u0111\u1ed9 b\u1eb1ng: ","select":["A. Ho\u00e0nh \u0111\u1ed9 ","B. $0$","C. $1$","D. $-1$ "],"explain":" M\u1ed9t \u0111i\u1ec3m b\u1ea5t k\u00ec tr\u00ean tr\u1ee5c ho\u00e0nh c\u00f3 tung \u0111\u1ed9 b\u1eb1ng 0. <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":2}]}],"id_ques":713},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Cho c\u00e1c \u0111i\u1ec3m: A(0; 1), B(-2; 1), C(-5; -2), D(3, -4), E(-4; 0), F(2; 4) <br\/> \u0110i\u1ec3m n\u1eb1m tr\u00ean tr\u1ee5c tung l\u00e0: ","select":["A. E ","B. A","C. F","D. Kh\u00f4ng c\u00f3 \u0111i\u1ec3m n\u00e0o "],"explain":" M\u1ed9t \u0111i\u1ec3m b\u1ea5t k\u00ec tr\u00ean tr\u1ee5c tung c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng 0. <br\/> Ta th\u1ea5y \u0111i\u1ec3m A(0;1) l\u00e0 \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng 0. <br\/> V\u1eady \u0111i\u1ec3m n\u1eb1m tr\u00ean tr\u1ee5c tung l\u00e0 \u0111i\u1ec3m A(0; 1) <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":2}]}],"id_ques":714},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":"Tr\u00ean m\u1eb7t ph\u1eb3ng Oxy, t\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng 0 l\u00e0: ","select":["A. Tr\u1ee5c ho\u00e0nh ","B. Tr\u1ee5c tung ","C. \u0110\u01b0\u1eddng ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 I ","D. \u0110\u01b0\u1eddng ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 II "],"explain":" T\u1eadp h\u1ee3p t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng 0 l\u00e0: Tr\u1ee5c tung <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":2}]}],"id_ques":715},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":"Cho h\u00ecnh v\u1ebd, c\u1eb7p $(-2; -3)$ l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m n\u00e0o? <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-05.png' \/><\/center> ","select":["A. P","B. Q ","C. R ","D. S "],"explain":" T\u1eeb \u0111i\u1ec3m $-2$ tr\u00ean tr\u1ee5c ho\u00e0nh v\u1ebd \u0111\u01b0\u1eddng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh. <br\/> T\u1eeb \u0111i\u1ec3m $-3$ tr\u00ean tr\u1ee5c tung v\u1ebd \u0111\u01b0\u1eddng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung. <br\/> Hai \u0111\u01b0\u1eddng vu\u00f4ng g\u00f3c c\u1eaft nhau t\u1ea1i S. <br\/> V\u1eady c\u1eb7p $(-2; -3)$ l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m S <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 D. <\/span> <\/span>","column":4}]}],"id_ques":716},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Trong c\u00e1c c\u1eb7p s\u1ed1 d\u01b0\u1edbi \u0111\u00e2y, c\u1eb7p s\u1ed1 n\u00e0o bi\u1ec3u di\u1ec5n \u0111i\u1ec3m P? <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-05.png' \/><\/center> ","select":["A. $(-2; -3)$","B. $(-2; 3)$ ","C. $(3; -2)$ ","D. $(2; 3)$ "],"explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh, c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - Ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00e3 cho. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua P v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Ox c\u1eaft Ox t\u1ea1i \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 $-2$ <br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua P v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Oy c\u1eaft Oy t\u1ea1i \u0111i\u1ec3m c\u00f3 tung \u0111\u1ed9 l\u00e0 3 <br\/> V\u1eady t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m P l\u00e0 $(-2; 3)$ <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":4}]}],"id_ques":717},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Kh\u1eb3ng \u0111\u1ecbnh n\u00e0o sau \u0111\u00e2y kh\u00f4ng \u0111\u00fang? ","select":["A. M\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 Oxy \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi hai tr\u1ee5c s\u1ed1 Ox v\u00e0 Oy vu\u00f4ng g\u00f3c v\u1edbi nhau.","B. Ox l\u00e0 tr\u1ee5c tung, Oy l\u00e0 tr\u1ee5c ho\u00e0nh","C. \u0110i\u1ec3m O l\u00e0 g\u1ed1c t\u1ecda \u0111\u1ed9 ","D. Hai tr\u1ee5c t\u1ecda \u0111\u1ed9 chia m\u1eb7t ph\u1eb3ng th\u00e0nh b\u1ed1n g\u00f3c l\u00e0 g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 I, II, III, IV "],"explain":" Kh\u1eb3ng \u0111\u1ecbnh sai l\u00e0: <br\/> B. Ox l\u00e0 tr\u1ee5c tung, Oy l\u00e0 tr\u1ee5c ho\u00e0nh <br\/> V\u00ec: Trong h\u1ec7 tr\u1ee5c t\u1ecda \u0111\u1ed9 Oxy th\u00ec: Ox l\u00e0 tr\u1ee5c ho\u00e0nh, Oy l\u00e0 tr\u1ee5c tung. <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":1}]}],"id_ques":718},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 Oxy, Ox \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0: ","select":["A. Tr\u1ee5c tung","B. Tr\u1ee5c ho\u00e0nh","C. G\u1ed1c t\u1ecda \u0111\u1ed9 ","D. T\u1ecda \u0111\u1ed9 "],"explain":" Tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 Oxy, Ox \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0: Tr\u1ee5c ho\u00e0nh <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":2}]}],"id_ques":719},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["-11"],["-29"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"Vi\u1ebft t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m A c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng $-11$ v\u00e0 tung \u0111\u1ed9 b\u1eb1ng $-29.$ <br\/> <b> \u0110\u00e1p s\u1ed1: <\/b> $A(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{};\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{})$","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/> C\u1eb7p s\u1ed1 $(x_{0};y_{0}) $ g\u1ecdi l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m A, <br\/> $x_{0}$ l\u00e0 ho\u00e0nh \u0111\u1ed9 v\u00e0 $y_{0} $ l\u00e0 tung \u0111\u1ed9. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \u0110i\u1ec3m A c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng $-11$ v\u00e0 tung \u0111\u1ed9 b\u1eb1ng $-29$ th\u00ec $A(-11; -29)$ <br\/> <span class='basic_pink'>V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $-11; -29$ <\/span> "}]}],"id_ques":720},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["-51"],["3"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"Vi\u1ebft t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m A c\u00f3 tung \u0111\u1ed9 b\u1eb1ng 3 v\u00e0 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng -51. <br\/> \u0110\u00e1p \u00e1n: $A(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{};\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{})$","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/> C\u1eb7p s\u1ed1 $(x_{0};y_{0}) $ g\u1ecdi l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m A, <br\/> $x_{0}$ l\u00e0 ho\u00e0nh \u0111\u1ed9 v\u00e0 $y_{0} $ l\u00e0 tung \u0111\u1ed9. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \u0110i\u1ec3m A c\u00f3 tung \u0111\u1ed9 b\u1eb1ng 3 v\u00e0 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng $-51$ th\u00ec $A(-51; 3)$ <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $-51; 3$ <\/span> "}]}],"id_ques":721},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["1"],["1"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"Cho \u0111i\u1ec3m P tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 (xem h\u00ecnh v\u1ebd). <br\/> H\u00e3y vi\u1ebft t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m P. <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-06.png' \/><\/center> <br\/> \u0110\u00e1p \u00e1n: $P(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{};\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{})$","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh, c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - Ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00e3 cho. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua P v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Ox c\u1eaft Ox t\u1ea1i \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 1. <br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua P v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Oy c\u1eaft Oy t\u1ea1i \u0111i\u1ec3m c\u00f3 tung \u0111\u1ed9 l\u00e0 1. <br\/> Suy ra t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m P l\u00e0 (1; 1) <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $1; 1$<\/span>"}]}],"id_ques":722},{"time":24,"part":[{"title":"\u0110i\u1ec1n t\u1eeb th\u00edch h\u1ee3p v\u00e0o ch\u1ed7 tr\u1ed1ng","title_trans":"","temp":"fill_the_blank","correct":[[["1"],["0"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"Cho \u0111i\u1ec3m M tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 (xem h\u00ecnh v\u1ebd). <br\/> H\u00e3y vi\u1ebft t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m M. <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-07.png' \/><\/center> <br\/> \u0110\u00e1p \u00e1n: $M(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{};\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{})$","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh, c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - Ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00e3 cho. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua M v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Ox c\u1eaft Ox t\u1ea1i \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 1. <br\/> \u0110\u01b0\u1eddng th\u1eb3ng qua M v\u00e0 vu\u00f4ng g\u00f3c v\u1edbi Oy c\u1eaft Oy t\u1ea1i \u0111i\u1ec3m c\u00f3 tung \u0111\u1ed9 l\u00e0 0. <br\/> Suy ra t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m M l\u00e0 (1; 0) <br\/> <span class='basic_pink'>V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $1; 0$<\/span>"}]}],"id_ques":723},{"time":9,"part":[{"title":"X\u00e1c \u0111\u1ecbnh h\u1ec7 t\u1ecda \u0111\u1ed9 - d\u1ea1ng click","title_trans":"","temp":"coordinates","correct":[["2,-1.5"]],"list":[{"point":5,"toa_do":[["0","0"]],"is_click":1,"name_toado_click":"A","draw_line":0,"ques":"B\u00e0i to\u00e1n x\u00e1c \u0111\u1ecbnh t\u1ecda \u0111\u1ed9 tr\u00ean h\u1ec7 t\u1ecda \u0111\u1ed9 <br\/>_inputduongthang_ <br\/> B\u1ea1n h\u00e3y click t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m $A \\left (2;\\dfrac{-3}{2} \\right)$","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m cho tr\u01b0\u1edbc, k\u1ebb m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh. <br\/> - T\u1eeb \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m cho tr\u01b0\u1edbc, k\u1ebb m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung. <br\/> - Giao \u0111i\u1ec3m c\u1ee7a hai \u0111\u01b0\u1eddng th\u1eb3ng v\u1eeba d\u1ef1ng l\u00e0 \u0111i\u1ec3m ph\u1ea3i t\u00ecm. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: $\\dfrac{-3}{2} = -1,5 $ <br\/> \u0110i\u1ec3m $A \\left (2; \\dfrac{-3}{2} \\right) $ tr\u00ean h\u1ec7 tr\u1ee5c t\u1ecda \u0111\u1ed9 l\u00e0: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-10.png' \/><\/center>"}]}],"id_ques":724},{"time":9,"part":[{"title":"X\u00e1c \u0111\u1ecbnh h\u1ec7 t\u1ecda \u0111\u1ed9 - d\u1ea1ng click","title_trans":"","temp":"coordinates","correct":[["-3,1.5"]],"list":[{"point":5,"toa_do":[["0","0"]],"is_click":1,"name_toado_click":"B","draw_line":0,"ques":"B\u00e0i to\u00e1n x\u00e1c \u0111\u1ecbnh t\u1ecda \u0111\u1ed9 tr\u00ean h\u1ec7 t\u1ecda \u0111\u1ed9 <br\/>_inputduongthang_ <br\/> B\u1ea1n h\u00e3y click t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m $B \\left(-3;\\dfrac{3}{2} \\right)$","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m cho tr\u01b0\u1edbc, k\u1ebb m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh. <br\/> - T\u1eeb \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m cho tr\u01b0\u1edbc, k\u1ebb m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung. <br\/> - Giao \u0111i\u1ec3m c\u1ee7a hai \u0111\u01b0\u1eddng th\u1eb3ng v\u1eeba d\u1ef1ng l\u00e0 \u0111i\u1ec3m ph\u1ea3i t\u00ecm. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta c\u00f3: $\\dfrac{3}{2} = 1,5 $ <br\/> \u0110i\u1ec3m $B \\left(-3; \\dfrac{3}{2} \\right) $ tr\u00ean h\u1ec7 tr\u1ee5c t\u1ecda \u0111\u1ed9 l\u00e0: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-11.png' \/><\/center>"}]}],"id_ques":725},{"time":9,"part":[{"title":"X\u00e1c \u0111\u1ecbnh h\u1ec7 t\u1ecda \u0111\u1ed9 - d\u1ea1ng click","title_trans":"","temp":"coordinates","correct":[["2.5,0"]],"list":[{"point":5,"toa_do":[["0","0"]],"is_click":1,"name_toado_click":"C","draw_line":0,"ques":"B\u00e0i to\u00e1n x\u00e1c \u0111\u1ecbnh t\u1ecda \u0111\u1ed9 tr\u00ean h\u1ec7 t\u1ecda \u0111\u1ed9 <br\/>_inputduongthang_ <br\/> B\u1ea1n h\u00e3y click t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m $C (2,5;0)$","explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m cho tr\u01b0\u1edbc, k\u1ebb m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh. <br\/> - T\u1eeb \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m cho tr\u01b0\u1edbc, k\u1ebb m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung. <br\/> - Giao \u0111i\u1ec3m c\u1ee7a hai \u0111\u01b0\u1eddng th\u1eb3ng v\u1eeba d\u1ef1ng l\u00e0 \u0111i\u1ec3m ph\u1ea3i t\u00ecm. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \u0110i\u1ec3m $C(2,5; 0) $ tr\u00ean h\u1ec7 tr\u1ee5c t\u1ecda \u0111\u1ed9 l\u00e0: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-12.png' \/><\/center>"}]}],"id_ques":726},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd, tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m A b\u1eb1ng: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-16.png' \/><\/center> ","select":["A. $0$ ","B. $2$ ","C. $-1$ ","D. $1,5$ "],"explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh, c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - Ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00e3 cho. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta th\u1ea5y \u0111i\u1ec3m A n\u1eb1m tr\u00ean tr\u1ee5c ho\u00e0nh n\u00ean tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m A b\u1eb1ng 0. <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 A. <\/span> <\/span>","column":4}]}],"id_ques":727},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[2]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd, tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m C b\u1eb1ng? <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-16.png' \/><\/center> ","select":["A. 0 ","B. 2,5 ","C. 2 ","D. 3 "],"explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh, c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - Ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00e3 cho. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> T\u1eeb C k\u1ebb \u0111\u01b0\u1eddng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i 2,5. <br\/> V\u1eady tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m C l\u00e0: 2,5 <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":4}]}],"id_ques":728},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[4]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd, ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m B b\u1eb1ng: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-16.png' \/><\/center> ","select":["A. $0$ ","B. $-1,5$ ","C. $-1$ ","D. $-2,5$ "],"explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh, c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - Ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00e3 cho. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> \u0110i\u1ec3m $B$ n\u1eb1m tr\u00ean tr\u1ee5c ho\u00e0nh v\u00e0 t\u1ea1i v\u1ecb tr\u00ed \u0111i\u1ec3m $-2,5$ <br\/> V\u1eady ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m B l\u00e0: $-2,5$ <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 D. <\/span> <\/span>","column":4}]}],"id_ques":729},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[1]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd, ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m D b\u1eb1ng? <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv1/img\/D7B16-16.png' \/><\/center> ","select":["A. $0$ ","B. $-1$ ","C. $-0,5$ ","D. $-2$ "],"explain":" <span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span> <br\/>- T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh, c\u1eaft tr\u1ee5c ho\u00e0nh t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - T\u1eeb \u0111i\u1ec3m \u0111\u00e3 cho k\u1ebb \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, c\u1eaft tr\u1ee5c tung t\u1ea1i m\u1ed9t \u0111i\u1ec3m bi\u1ec3u di\u1ec5n tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00f3. <br\/> - Ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 t\u00ecm \u0111\u01b0\u1ee3c l\u00e0 t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m \u0111\u00e3 cho. <\/span> <br\/> <br\/> <span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/> Ta th\u1ea5y \u0111i\u1ec3m D n\u1eb1m tr\u00ean tr\u1ee5c tung n\u00ean <br\/> ho\u00e0nh \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m D l\u00e0: 0 <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 A. <\/span> <\/span>","column":4}]}],"id_ques":730}],"lesson":{"save":0,"level":1}}