{"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, \u0111\u00e1p \u00e1n n\u00e0o sau \u0111\u00e2y kh\u00f4ng \u0111\u00fang? <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-17.png' \/><\/center> ","select":["A. $E(-2; 0)$","B. $M(0; 2)$","C. $P(4; -3)$","D. $Q(0; 3)$"],"explain":" D\u1ef1a v\u00e0o h\u00ecnh v\u1ebd, ta c\u00f3 t\u1ecda \u0111\u1ed9 c\u00e1c \u0111i\u1ec3m l\u00e0: <br\/> $E(-2; 0), M(0; 2), P(4; -3), Q(3; 0)$ <br\/> V\u1eady t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m Q kh\u00f4ng \u0111\u00fang <br\/> <span class='basic_pink'> Ch\u1ecdn \u0111\u00e1p \u00e1n D. <\/span> <\/span>","column":2}]}],"id_ques":731},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":" Cho h\u00ecnh v\u1ebd, \u0111\u00e1p \u00e1n n\u00e0o sau \u0111\u00e2y kh\u00f4ng \u0111\u00fang? <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-20.png' \/><\/center> ","select":["A. $A(1; 4)$","B. $B(3; 2)$","C. $C(-2; 2)$","D. $D(-3; -1)$"],"explain":" D\u1ef1a v\u00e0o h\u00ecnh v\u1ebd, ta c\u00f3 t\u1ecda \u0111\u1ed9 c\u00e1c \u0111i\u1ec3m l\u00e0: <br\/> $A(1; 4), B(3; 2), C(2; -2), D(-3; -1)$ <br\/> V\u1eady t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m C kh\u00f4ng \u0111\u00fang <br\/> <span class='basic_pink'> Ch\u1ecdn \u0111\u00e1p \u00e1n C. <\/span> <\/span>","column":2}]}],"id_ques":732},{"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":"Bi\u1ec3u di\u1ec5n c\u00e1c \u0111i\u1ec3m $A(-3; 0)$ v\u00e0 $B(2; -1)$ tr\u00ean c\u00f9ng m\u1ed9t m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9. H\u00e3y ch\u1ecdn h\u00ecnh v\u1ebd \u0111\u00fang. <span class='basic_left'> <img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-21A.png' \/><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-21B.png' \/><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-21C.png' \/><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-21D.png' \/><\/span> ","select":["A. H\u00ecnh 1 ","B. H\u00ecnh 2 ","C. H\u00ecnh 3 ","D. H\u00ecnh 4 "],"explain":" \u0110i\u1ec3m $A(-3; 0)$ c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng $-3$ v\u00e0 tung \u0111\u1ed9 b\u1eb1ng 0. <br\/> \u0110i\u1ec3m $B(2; -1)$ c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 $2$ v\u00e0 tung \u0111\u1ed9 l\u00e0 $-1$ <br\/> <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-21B.png' \/><\/center> <br\/> V\u1eady h\u00ecnh \u0111\u00fang l\u00e0 h\u00ecnh 2 <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 B. <\/span> <\/span>","column":4}]}],"id_ques":733},{"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":"V\u1ebd tam gi\u00e1c ABC bi\u1ebft: A(-4; 2), B(0; -2), C(2; 1). H\u00e3y ch\u1ecdn h\u00ecnh v\u1ebd \u0111\u00fang. <br\/><span class='basic_left'><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-23A.png' \/><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-23B.png' \/><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-23C.png' \/><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-23D.png' \/> <\/span> ","select":["A. H\u00ecnh 1 ","B. H\u00ecnh 2 ","C. H\u00ecnh 3 ","D. H\u00ecnh 4 "],"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\/><span class='basic_left'><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>\u0110\u1ec3 v\u1ebd \u0111i\u1ec3m A(-4; 2) ta l\u00e0m nh\u01b0 sau: <br\/> T\u1ea1i \u0111i\u1ec3m -4 tr\u00ean tr\u1ee5c ho\u00e0nh v\u1ebd \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c ho\u00e0nh. <br\/> T\u1ea1i \u0111i\u1ec3m 2 tr\u00ean tr\u1ee5c tung v\u1ebd \u0111\u01b0\u1eddng th\u1eb3ng vu\u00f4ng g\u00f3c v\u1edbi tr\u1ee5c tung, <br\/> hai \u0111\u01b0\u1eddng vu\u00f4ng g\u00f3c c\u1eaft nhau t\u1ea1i A. <br\/> V\u1ebd t\u01b0\u01a1ng t\u1ef1 v\u1edbi hai \u0111i\u1ec3m B v\u00e0 C. <br\/> Ta \u0111\u01b0\u1ee3c h\u00ecnh bi\u1ec3u di\u1ec5n tam gi\u00e1c ABC l\u00e0: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-23D.png' \/><\/center> <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 D. <\/span> ","column":4}]}],"id_ques":734},{"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 hai \u0111i\u1ec3m M, N \u0111\u1ed1i x\u1ee9ng nhau qua tr\u1ee5c ho\u00e0nh. X\u00e9t c\u00e1c kh\u1eb3ng \u0111\u1ecbnh sau: <br\/> (I). Hai \u0111i\u1ec3m M, N c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng nhau. <br\/> (II). Hai \u0111i\u1ec3m M, N c\u00f3 tung \u0111\u1ed9 b\u1eb1ng nhau. <br\/> Kh\u1eb3ng \u0111\u1ecbnh \u0111\u00fang l\u00e0: ","select":["A. Ch\u1ec9 c\u00f3 (I) \u0111\u00fang ","B. Ch\u1ec9 c\u00f3 (II) \u0111\u00fang ","C. C\u1ea3 (I) v\u00e0 (II) \u0111\u1ec1u \u0111\u00fang ","D. C\u1ea3 (I) v\u00e0 (II) \u0111\u1ec1u sai "],"explain":" Hai \u0111i\u1ec3m \u0111\u1ed1i x\u1ee9ng qua tr\u1ee5c ho\u00e0nh th\u00ec ho\u00e0nh \u0111\u1ed9 b\u1eb1ng nhau v\u00e0 tung \u0111\u1ed9 \u0111\u1ed1i nhau. <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 A. <\/span> <\/span>","column":2}]}],"id_ques":735},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","title_trans":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","temp":"true_false","correct":[["f","t","f","t"]],"list":[{"point":5,"ques":"","image":"","col_name":["","\u0110\u00fang","Sai"],"arr_ques":["M\u1ecdi \u0111i\u1ec3m n\u1eb3m tr\u00ean tr\u1ee5c ho\u00e0nh \u0111\u1ec1u c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng 0. ","M\u1ecdi \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 b\u1eb1ng 0 \u0111\u1ec1u n\u1eb1m tr\u00ean tr\u1ee5c tung.","M\u1ecdi \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 s\u1ed1 d\u01b0\u01a1ng \u0111\u1ec1u n\u1eb1m \u1edf g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (I). ","M\u1ecdi \u0111i\u1ec3m n\u1eb1m \u1edf g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (II) \u0111\u1ec1u c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 s\u1ed1 \u00e2m. "],"explain":["Sai. V\u00ec: M\u1ecdi \u0111i\u1ec3m n\u1eb3m tr\u00ean tr\u1ee5c ho\u00e0nh \u0111\u1ec1u c\u00f3 ho\u00e0nh \u0111\u1ed9 kh\u00e1c 0.","<br\/> \u0110\u00fang. ","<br\/> Sai. V\u00ec: M\u1ecdi \u0111i\u1ec3m c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 s\u1ed1 d\u01b0\u01a1ng n\u1eb1m \u1edf g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (I) v\u00e0 th\u1ee9 (IV). ","<br\/> \u0110\u00fang. "]}]}],"id_ques":736},{"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":[[["-2"],["0"],["2"],["-3"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"Vi\u1ebft t\u1ecda \u0111\u1ed9 c\u1ee7a c\u00e1c \u0111i\u1ec3m Q, N trong h\u00ecnh: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-24.png' \/><\/center> <br\/> \u0110\u00e1p \u00e1n: $Q(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}; \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}) \\\\ N(\\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 Q 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 Q 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 Q l\u00e0 $Q(-2; 0)$ <br\/> T\u01b0\u01a1ng t\u1ef1, t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m N l\u00e0 $N(2; -3)$<br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $-2; 0; 2; -3$ <\/span> "}]}],"id_ques":737},{"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"],["-3"],["4"],["-2"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"Vi\u1ebft t\u1ecda \u0111\u1ed9 c\u1ee7a c\u00e1c \u0111i\u1ec3m R, T trong h\u00ecnh: <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-25.png' \/><\/center> <br\/> \u0110\u00e1p \u00e1n: $R(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}; \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}) \\\\ T(\\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 R 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 R 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 R l\u00e0 $R(1; -3)$ <br\/> T\u01b0\u01a1ng t\u1ef1, t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m T l\u00e0 $T(4; -2)$ <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $1; -3; 4; -2$<\/span> "}]}],"id_ques":738},{"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":"Trong m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 $Oxy,$ cho \u0111i\u1ec3m $A(x_{0}; y_{0})$ kh\u00f4ng n\u1eb1m tr\u00ean c\u00e1c tr\u1ee5c t\u1ecda \u0111\u1ed9. V\u1edbi \u0111i\u1ec1u ki\u1ec7n n\u00e0o c\u1ee7a $x_{0}; y_{0} $ \u0111\u1ec3 A n\u1eb1m trong g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (III)? ","select":["A. $x_{0} < 0; y_{0} < 0 $ ","B. $x_{0} > 0; y_{0} > 0 $ ","C. $x_{0} > 0; y_{0} < 0 $ ","D. $x_{0} < 0; y_{0} > 0 $ "],"explain":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-26C.png' \/><\/center> \u0110i\u1ec3m $A(x_{0}; y_{0})$ n\u1eb1m trong g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (III) khi: $x_{0} < 0; y_{0} < 0 $ <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 A. <\/span> <\/span>","column":2}]}],"id_ques":739},{"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":"Trong m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 $Oxy,$ cho \u0111i\u1ec3m $A(x_{0}; y_{0})$ kh\u00f4ng n\u1eb1m tr\u00ean c\u00e1c tr\u1ee5c t\u1ecda \u0111\u1ed9. V\u1edbi \u0111i\u1ec1u ki\u1ec7n n\u00e0o c\u1ee7a $x_{0}; y_{0} $ \u0111\u1ec3 A n\u1eb1m trong g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (IV)? ","select":["A. $x_{0} > 0; y_{0} > 0 $ ","B. $x_{0} < 0; y_{0} > 0 $ ","C. $x_{0} < 0; y_{0} < 0 $ ","D. $x_{0} > 0; y_{0} < 0 $ "],"explain":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-26D.png' \/><\/center> \u0110i\u1ec3m $A(x_{0}; y_{0})$ n\u1eb1m trong g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (IV) khi: $x_{0} > 0; y_{0} < 0 $ <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 D. <\/span> <\/span>","column":2}]}],"id_ques":740},{"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":"Trong m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 $Oxy,$ cho \u0111i\u1ec3m $A(x_{0}; y_{0})$ kh\u00f4ng n\u1eb1m tr\u00ean c\u00e1c tr\u1ee5c t\u1ecda \u0111\u1ed9. N\u1ebfu $x_{0} = y_{0} $ th\u00ec A thu\u1ed9c tia ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 m\u1ea5y? ","select":["A. (I) ho\u1eb7c (II) ","B. (II) ho\u1eb7c (III) ","C. (II) ho\u1eb7c (IV) ","D. (I) ho\u1eb7c (III) "],"explain":"<center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-27A.png' \/><\/center> \u0110i\u1ec3m $A(x_{0}; y_{0})$ kh\u00f4ng n\u1eb1m tr\u00ean c\u00e1c tr\u1ee5c t\u1ecda \u0111\u1ed9. <br\/> N\u1ebfu $x_{0} = y_{0} $ th\u00ec A thu\u1ed9c tia ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (I) ho\u1eb7c (III). <br\/> <br\/> <span class='basic_pink'> \u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 D. <\/span> <\/span>","column":2}]}],"id_ques":741},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 $Oxy,$ cho c\u00e1c \u0111i\u1ec3m: $M(1; 0), N(0; 2), P(2; 0),$$ Q(-1; 0), E(0; -2).$ C\u00f3 bao nhi\u00eau \u0111i\u1ec3m n\u1eb1m tr\u00ean tr\u1ee5c ho\u00e0nh? ","select":["A. 1 ","B. 2 ","C. 3 ","D. 4 "],"explain":"<span class='basic_left'><span class='basic_green'>H\u01b0\u1edbng d\u1eabn:<\/span><br\/>M\u1ed9t \u0111i\u1ec3m b\u1ea5t k\u00ec tr\u00ean tr\u1ee5c ho\u00e0nh c\u00f3 tung \u0111\u1ed9 b\u1eb1ng 0. <\/span><span class='basic_green'>B\u00e0i gi\u1ea3i:<\/span><br\/>C\u00e1c \u0111i\u1ec3m M(1; 0), P(2; 0), Q(-1; 0) \u0111\u1ec1u c\u00f3 tung \u0111\u1ed9 b\u1eb1ng 0 n\u00ean n\u00f3 n\u1eb1m tr\u00ean tr\u1ee5c ho\u00e0nh. <\/span> <br\/> <br\/><br\/> <span class='basic_pink'>\u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 C. <\/span>","column":4}]}],"id_ques":742},{"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"],["3"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"Tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 $Oxy,$ cho h\u00ecnh ch\u1eef nh\u1eadt $ABCD$ c\u00f3 $A(3; 3), B(3; -3), C(-1; -3).$ X\u00e1c \u0111\u1ecbnh t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m $D?$ <br\/> <b> \u0110\u00e1p s\u1ed1: <\/b> $D(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}; \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{})$ ","hint":"Bi\u1ec3u di\u1ec5n c\u00e1c \u0111i\u1ec3m \u0111\u00e3 cho tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 r\u1ed3i t\u00ecm ra t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m D. ","explain":"Bi\u1ec3u di\u1ec5n c\u00e1c \u0111i\u1ec3m \u0111\u00e3 cho tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 Oxy. <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-28.png' \/><\/center> <br\/> D\u1ec5 d\u00e0ng t\u00ecm \u0111\u01b0\u1ee3c D(-1; 3) <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $-1; 3$ <\/span> "}]}],"id_ques":743},{"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":[[["6"],["6"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"Tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 $Oxy,$ cho ba \u0111i\u1ec3m $M(2; 6), N(2; 2), P(6; 2).$ N\u1ebfu $MNPQ$ l\u00e0 h\u00ecnh vu\u00f4ng th\u00ec t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m $Q$ l\u00e0: <br\/> <b> \u0110\u00e1p s\u1ed1: <\/b> $Q(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}; \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{})$ ","hint":"Bi\u1ec3u di\u1ec5n c\u00e1c \u0111i\u1ec3m \u0111\u00e3 cho tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 r\u1ed3i t\u00ecm ra t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m Q. ","explain":"Bi\u1ec3u di\u1ec5n c\u00e1c \u0111i\u1ec3m \u0111\u00e3 cho tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 $Oxy$ <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-31.png' \/><\/center> <br\/> D\u1ec5 d\u00e0ng t\u00ecm \u0111\u01b0\u1ee3c $Q(6; 6)$ <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $6; 6$<\/span> "}]}],"id_ques":744},{"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":[[["4"],["-3"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"T\u00ecm t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111\u1ec9nh th\u1ee9 t\u01b0 c\u1ee7a h\u00ecnh vu\u00f4ng trong h\u00ecnh d\u01b0\u1edbi \u0111\u00e2y? <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-32A.png' \/><\/center> <br\/> \u0110\u00e1p \u00e1n: $D(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}; \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{})$ ","explain":"Bi\u1ec3u di\u1ec5n c\u00e1c \u0111i\u1ec3m \u0111\u00e3 cho tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 $Oxy$ <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-32B.png' \/><\/center> <br\/> D\u1ec5 th\u1ea5y, t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m D l\u00e0 D(4; -3) <br\/> <span class='basic_pink'> V\u1eady c\u00e1c s\u1ed1 c\u1ea7n \u0111i\u1ec1n l\u1ea7n l\u01b0\u1ee3t l\u00e0 $4; -3$ <\/span>"}]}],"id_ques":745},{"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":[[["2"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"V\u1ebd m\u1ed9t h\u1ec7 tr\u1ee5c t\u1ecda \u0111\u1ed9 v\u00e0 \u0111\u01b0\u1eddng ph\u00e2n gi\u00e1c c\u1ee7a c\u00e1c g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (I), (III). \u0110\u00e1nh d\u1ea5u \u0111i\u1ec3m A n\u1eb1m tr\u00ean ph\u00e2n gi\u00e1c \u0111\u00f3 v\u00e0 c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 2. \u0110i\u1ec3m A c\u00f3 tung \u0111\u1ed9 b\u1eb1ng bao nhi\u00eau? <br\/> <b> \u0110\u00e1p s\u1ed1: <\/b> $\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}$ ","hint":"V\u1ebd h\u00ecnh r\u1ed3i ch\u1ec9 ra.","explain":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-34.png' \/><\/center> M\u1ed9t \u0111i\u1ec3m A b\u1ea5t k\u00ec n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng th\u1eb3ng n\u00e0y c\u00f3 ho\u00e0nh \u0111\u1ed9 v\u00e0 tung \u0111\u1ed9 b\u1eb1ng nhau. <br\/> V\u1eady tung \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m A l\u00e0: 2 "}]}],"id_ques":746},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00fang hay sai","title_trans":"","temp":"true_false","correct":[["f","f","t","f"]],"list":[{"point":5,"image":"https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-38.png","col_name":["C\u00e1c t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m sau \u0111\u00fang hay sai?","\u0110\u00fang","Sai"],"arr_ques":["$M(2; -3)$","$N(-3; 2)$","$P(-1; -2)$","$Q(0; -2)$"],"explain":["Sai. V\u00ec $M(-3; 2)$","<br\/> Sai. V\u00ec $N(2; -3)$","<br\/> \u0110\u00fang. $P(-1; -2)$","<br\/> Sai. V\u00ec $Q(-2; 0)$"]}]}],"id_ques":747},{"time":24,"part":[{"title":"L\u1ef1a ch\u1ecdn \u0111\u00e1p \u00e1n \u0111\u00fang nh\u1ea5t","title_trans":"","temp":"multiple_choice","correct":[[3]],"list":[{"point":5,"ques":"Trong m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9, cho c\u00e1c \u0111i\u1ec3m:$ M(2; 3), N(-2; 3), P(2; -3). Q(-2; -3).$ C\u00e1c \u0111o\u1ea1n th\u1eb3ng song song v\u1edbi tr\u1ee5c ho\u00e0nh l\u00e0: ","select":["A. MP v\u00e0 QP ","B. MP ","C. PQ v\u00e0 MN","D. NP v\u00e0 MQ "],"hint":"V\u1ebd h\u00ecnh r\u1ed3i t\u00ecm ra \u0111\u00e1p \u00e1n. ","explain":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-39.png' \/><\/center> Bi\u1ec3u di\u1ec5n c\u00e1c \u0111i\u1ec3m \u0111\u00e3 cho tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 Oxy. <br\/> Ta th\u1ea5y \u0111o\u1ea1n th\u1eb3ng song song v\u1edbi Ox l\u00e0: PQ v\u00e0 MN. <br\/><br\/><span class='basic_pink'>\u0110\u00e1p \u00e1n \u0111\u00fang l\u00e0 C. <\/span>","column":2}]}],"id_ques":748},{"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":[[["3"],["-2"]]],"list":[{"point":5,"width":20,"content":"","type_input":"","ques":"<span class='basic_left'>Cho \u0111i\u1ec3m A(3; 2), vi\u1ebft t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m $A_{1}$ sao cho tr\u1ee5c ho\u00e0nh l\u00e0 \u0111\u01b0\u1eddng trung tr\u1ef1c c\u1ee7a \u0111o\u1ea1n th\u1eb3ng $AA_{1}$. <br\/> <b> \u0110\u00e1p s\u1ed1: <\/b> $A_{1}(\\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}; \\FormInput[40][bl_elm_true basic_elm basic_blank basic_blank_part]{}) $ <\/span> ","hint":"V\u1ebd h\u00ecnh r\u1ed3i ch\u1ec9 ra.","explain":" <center><img src='https://www.luyenthi123.com/file/luyenthi123/lop7/toan/daiso/bai16/lv2/img\/D7B16-40.png' \/><\/center> <br\/> $Ox$ l\u00e0 \u0111\u01b0\u1eddng trung tr\u1ef1c c\u1ee7a \u0111o\u1ea1n th\u1eb3ng $AA_{1}$ n\u00ean: <br\/> $Ox \\perp AA_{1} $ v\u00e0 $Ox$ \u0111i qua trung \u0111i\u1ec3m c\u1ee7a $AA_{1}$. <br\/> Nh\u00ecn v\u00e0o h\u00ecnh v\u1ebd ta th\u1ea5y t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m $A_{1}$ l\u00e0 $A_{1}(3; -2)$ "}]}],"id_ques":749},{"time":24,"part":[{"time":3,"title":"N\u1ed1i t\u1eeb ho\u1eb7c c\u1ee5m t\u1eeb \u1edf c\u1ed9t b\u00ean tr\u00e1i v\u1edbi c\u1ed9t b\u00ean ph\u1ea3i \u0111\u1ec3 \u0111\u01b0\u1ee3c c\u00e2u ho\u00e0n ch\u1ec9nh","title_trans":"Tr\u00ean m\u1eb7t ph\u1eb3ng t\u1ecda \u0111\u1ed9 $Oxy,$ t\u1ecda \u0111\u1ed9 c\u1ee7a \u0111i\u1ec3m $M(x; y)$ ph\u1ea3i th\u1ecfa m\u00e3n \u0111i\u1ec1u ki\u1ec7n g\u00ec \u0111\u1ec3: ","audio":"","temp":"matching","correct":[["3","1","2","4"]],"list":[{"point":5,"image":"","left":["\u0110i\u1ec3m M lu\u00f4n n\u1eb1m tr\u00ean tr\u1ee5c ho\u00e0nh.","\u0110i\u1ec3m M lu\u00f4n n\u1eb1m tr\u00ean tr\u1ee5c tung.","\u0110i\u1ec3m M lu\u00f4n n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (I). ","\u0110i\u1ec3m M lu\u00f4n n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (II). "],"right":["x = 0","x = y","y = 0","x + y = 0"],"top":100,"explain":"\u0110i\u1ec3m $M$ lu\u00f4n n\u1eb1m tr\u00ean tr\u1ee5c ho\u00e0nh khi $y = 0$ <br\/>\u0110i\u1ec3m $M$ lu\u00f4n n\u1eb1m tr\u00ean tr\u1ee5c tung khi $x = 0$ <br\/> \u0110i\u1ec3m $M$ lu\u00f4n n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (I) khi $x = y$ <br\/> \u0110i\u1ec3m $M$ lu\u00f4n n\u1eb1m tr\u00ean \u0111\u01b0\u1eddng ph\u00e2n gi\u00e1c c\u1ee7a g\u00f3c ph\u1ea7n t\u01b0 th\u1ee9 (II) khi $x + y = 0$ "}]}],"id_ques":750}],"lesson":{"save":0,"level":2}}