{"id":2386,"date":"2020-10-06T04:39:45","date_gmt":"2020-10-05T20:39:45","guid":{"rendered":"https:\/\/www.study-together.com\/edu\/?page_id=2386"},"modified":"2020-11-02T14:11:12","modified_gmt":"2020-11-02T06:11:12","slug":"coordinates-transformation","status":"publish","type":"page","link":"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/coordinates-transformation\/","title":{"rendered":"11. \u5750\u6a19 > \u5716\u50cf\u8f49\u63db"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"2386\" class=\"elementor elementor-2386\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3ab1ed4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3ab1ed4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-66 elementor-top-column elementor-element elementor-element-6f64de2\" data-id=\"6f64de2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-99d0ce3 elementor-widget elementor-widget-text-editor\" data-id=\"99d0ce3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>11.5. \u5716\u50cf\u8f49\u63db<\/h2><p>\u7c21\u55ae\u569f\u8b1b\uff0c\u5716\u50cf\u8f49\u63db \u4fc2\u6307\u5c07\u4e00\u5716\u50cf\u6309\u6307\u5b9a\u5605\u65b9\u6cd5\u6539\u8b8a\u4f62\u5605\u5f62\u72c0\u3001\u5927\u7d30\u3001\u4f4d\u7f6e\u3001\u65b9\u5411\u7b49\u3002\u55baDSE\u5605\u5750\u6a19\u5e7e\u4f55\u5165\u9762\uff0c\u5927\u5bb6\u53ea\u8981\u8b58\u5f97\u5c07\u4e00\u9ede\u201c\u65cb\u8f49\u201d\u540c\u201c\u53cd\u5c04\u201d\u4ee5\u53ca\u7747\u8fd4\u4f62\u54cb\u5605\u65b0\u5750\u6a19\uff0c\u5481\u5c31\u5df2\u7d93\u8db3\u5920\u4e86\u3002<\/p><p>\u00a0<\/p><h3>11.5.1.\u00a0 \u65cb\u8f49 (Rotation)<\/h3><p>\u505a\u201c\u65cb\u8f49\u201d\u5605\u984c\u76ee\u6642\uff0c\u4e00\u5b9a\u8981\u7747\u6e05\u695a\u500b\u65cb\u8f49\u65b9\u5411\u4fc2\u201c\u9806\u6642\u91dd\u201d(clockwise)\u5b9a\u201c\u9006\u6642\u91dd\u201d(anti-clockwise)\u3002<\/p><p>\u4f8b1\uff1a\u00a0\u00a0\u00a0 \u5c07\u9edeA (-3, 5) \u9806\u6642\u91dd\u65cb\u8f4990<sup>o<\/sup>\u6210\u9edeA\u2019\u3002\u6c42A\u2019\u7684\u5750\u6a19\u3002<\/p><p>\u6280\u5de7\u89e3\u8aaa\uff1a\u00a0\u00a0\u00a0<\/p><ul><li>\u5148\u5283\u51fax-\u8ef8\u540cy-\u8ef8\uff0c\u7136\u5f8c\u8ddf\u64da\u984c\u76ee\u5283\u51faA\u9ede<\/li><li>\u55bax-\u8ef8\u540cy-\u8ef8\u4e0a\u5283\u51faA\u9ede\u5750\u6a19\u9577\u5ea6\u3000\uff08\u597d\u4f3c\u57161\u4e2d\u5605\u7d05\u7dda\uff09<\/li><li>\u5c072\u689d\u7d05\u7dda\u7dca\u984c\u76ee\u9806\u6642\u91dd\u65cb\u8f4990<sup>o<\/sup> \uff08\u65cb\u8f49\u5f8c\u6703\u6210\u57162\u5605\u85cd\u7dda\uff09<\/li><li>\u5229\u7528\u85cd\u7dda\uff0c\u5224\u65b7x-\u5750\u6a19\u540cy-\u5750\u6a19\u5605\u6b63\u8ca0\u5c31\u53ef\u4ee5\u77e5\u9053\u65b0\u55f0\u9ede\u5605\u5750\u6a19<\/li><\/ul><p><a href=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/10\/dseJunior_ccord_09.webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-2388\" src=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/10\/dseJunior_ccord_09.webp\" alt=\"\u5716\u50cf\u8f49\u63db - \u65cb\u8f49\" width=\"600\" height=\"266\" \/><\/a><\/p><h3>\u00a0<\/h3><h3>11.5.2.\u00a0 \u53cd\u5c04 (Reflection)<\/h3><p>\u505a\u201c\u53cd\u5c04\u201d\u5605\u984c\u76ee\u6642\uff0c\u8a18\u5f97\u8981\u7747\u6e05\u695a\u4fc2\u201c\u6cbfx-\u8ef8\u201d(reflect along x-axis)\u5b9a\u201c\u6cbfy-\u8ef8\u201d\u53cd\u5c04\u3002<\/p><p>\u4f8b2\uff1a\u00a0\u00a0\u00a0 \u5c07\u9edeB (-3, 5) \u6cbfy-\u8ef8\u53cd\u5c04\u6210\u9edeB\u2019\u3002\u6c42 B\u2019 \u7684\u5750\u6a19\u3002<\/p><p>\u6280\u5de7\u89e3\u8aaa\uff1a\u00a0\u00a0\u00a0<\/p><ul><li>\u5148\u5283\u51fax-\u8ef8\u53cay-\u8ef8\uff0c\u7136\u5f8c\u7dca\u984c\u76ee\u5283B\u9ede<\/li><li>\u56e0\u984c\u76ee\u662f\u201c\u6cbfy-\u8ef8\u201d\uff0c\u6240\u4ee5\u5728y-\u8ef8\u4e0a\u5283\u4e00\u689d\u7dda\uff1b\u3000\uff08\u5982\u57161\u4e2d\u7684\u7d05\u7dda\uff09<\/li><li>\u7576\u689d\u7d05\u7dda\u4fc2\u4e00\u584a\u93e1\uff0c\u5283\u51fa\u93e1\u4e2d\u5605\u5f71\u50cf \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \uff08\u5982\u57162\uff09<\/li><li>\u7559\u610fx-\u5750\u6a19\u540cy-\u5750\u6a19\u5605\u6b63\u8ca0\u5c31\u53ef\u4ee5\u77e5\u9053\u65b0\u55f0\u9ede\u5605\u5750\u6a19<\/li><\/ul><p><a href=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/10\/dseJunior_ccord_10.webp\"><img decoding=\"async\" class=\"alignnone size-full wp-image-2389\" src=\"https:\/\/www.study-together.com\/edu\/wp-content\/uploads\/2020\/10\/dseJunior_ccord_10.webp\" alt=\"\u5716\u50cf\u8f49\u63db - \u53cd\u5c04\" width=\"727\" height=\"316\" \/><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-114c075 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"114c075\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-c85e6dc\" data-id=\"c85e6dc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7e7fdbb elementor-widget elementor-widget-text-editor\" data-id=\"7e7fdbb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/coordinates-equation-of-straight-lines\/\"><i class=\"far fa-arrow-alt-circle-left\" aria-hidden=\"true\"><\/i> \u5750\u6a19\u7cfb\u7d71\u4e0a\u7684\u76f4\u7dda\u65b9\u7a0b<\/a>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-2ea7c02\" data-id=\"2ea7c02\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap\">\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-20695a5\" data-id=\"20695a5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-058b651 elementor-widget elementor-widget-text-editor\" data-id=\"058b651\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p style=\"text-align: right;\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/geometry-straight-and-parallel-lines\/\">\u8207\u76f4\u7dda\u53ca\u5e73\u884c\u7dda\u6709\u95dc\u7684\u5b9a\u7406 <i class=\"far fa-arrow-alt-circle-right\" aria-hidden=\"true\"><\/i><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-top-column elementor-element elementor-element-1b3cc6e\" data-id=\"1b3cc6e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-a08a955 elementor-widget elementor-widget-sidebar\" data-id=\"a08a955\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"sidebar.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div class=\"sidebar-box widget-oceanwp-custom-menu custom-menu-widget clr\"><style type=\"text\/css\">.ocean_custom_menu-5 > ul > li > a, .custom-menu-widget .ocean_custom_menu-5 .dropdown-menu .sub-menu li a.menu-link{font-size:16px;line-height:17px;}.custom-menu-widget .ocean_custom_menu-5.oceanwp-custom-menu > ul.click-menu .open-this{font-size:16px;}<\/style><h4 class=\"widget-title\">DSE\u6578\u5b78 &#8211; \u5fc5\u4fee\u90e8\u5206\u3010\u76ee\u9304\u3011<\/h4><div class=\"oceanwp-custom-menu clr ocean_custom_menu-5 left dropdown-hover\"><ul id=\"menu-dsemaths_core\" class=\"dropdown-menu sf-menu\"><li  id=\"menu-item-1744\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-1744\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/course-analysis\/\" class=\"menu-link\">\u8ab2\u7a0b\u5206\u6790 (Core)<\/a><\/li>\n<li  id=\"menu-item-1745\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-has-children dropdown menu-item-1745\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/\" class=\"menu-link\">\u5514\u597d\u4ee5\u70ba\u5514\u99db\u8003 &#8211; \u76ee\u9304 <span class=\"nav-arrow fa fa-angle-down\"><\/span><\/a>\n<ul class=\"sub-menu\">\n\t<li  id=\"menu-item-4067\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4067\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/solving-equation\/\" class=\"menu-link\">1. \u89e3\u65b9\u7a0b<\/a><\/li>\n\t<li  id=\"menu-item-4068\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4068\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/polynomials\/\" class=\"menu-link\">2. \u591a\u9805\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4069\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4069\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/laws-of-indices\/\" class=\"menu-link\">3. \u6307\u6578\u5b9a\u5f8b<\/a><\/li>\n\t<li  id=\"menu-item-4070\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4070\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/factorization\/\" class=\"menu-link\">4. \u56e0\u5f0f\u5206\u89e3<\/a><\/li>\n\t<li  id=\"menu-item-4071\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4071\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/formulae\/\" class=\"menu-link\">5. \u516c\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4072\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4072\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/percentage\/\" class=\"menu-link\">6. \u767e\u5206\u6cd5<\/a><\/li>\n\t<li  id=\"menu-item-4073\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4073\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/rate-and-ratio\/\" class=\"menu-link\">7. \u7387\u53ca\u6bd4<\/a><\/li>\n\t<li  id=\"menu-item-4074\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4074\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/functions\/\" class=\"menu-link\">8. \u51fd\u6578<\/a><\/li>\n\t<li  id=\"menu-item-4075\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4075\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/estimation\/\" class=\"menu-link\">9. \u4f30\u7b97<\/a><\/li>\n\t<li  id=\"menu-item-4076\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4076\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/inequalities\/\" class=\"menu-link\">10. \u4e0d\u7b49\u5f0f<\/a><\/li>\n\t<li  id=\"menu-item-4077\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4077\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/coordinates\/\" class=\"menu-link\">11. \u5750\u6a19<\/a><\/li>\n\t<li  id=\"menu-item-4079\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4079\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/geometry\/\" class=\"menu-link\">12. \u6f14\u7e79\u63a8\u7406\u5e7e\u4f55<\/a><\/li>\n\t<li  id=\"menu-item-4080\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4080\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/trigonometry\/\" class=\"menu-link\">13. \u4e09\u89d2\u6bd4<\/a><\/li>\n\t<li  id=\"menu-item-4081\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4081\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/shapes\/\" class=\"menu-link\">14. \u5e73\u9762\u53ca\u7acb\u9ad4\u5716\u5f62<\/a><\/li>\n\t<li  id=\"menu-item-4082\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4082\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/15-probability\/\" class=\"menu-link\">15. \u6982\u7387<\/a><\/li>\n\t<li  id=\"menu-item-4083\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-4083\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/junior_summary\/16-statistics\/\" class=\"menu-link\">16. \u7d71\u8a08<\/a><\/li>\n<\/ul>\n<\/li>\n<li  id=\"menu-item-3231\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3231\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_algebra\/\" class=\"menu-link\">\u57fa\u790e &#8211; \u6578\u8207\u4ee3\u6578<\/a><\/li>\n<li  id=\"menu-item-3241\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3241\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental-shape_n_space\/\" class=\"menu-link\">\u57fa\u790e &#8211; \u5ea6\u91cf\u3001\u5716\u5f62\u8207\u7a7a\u9593<\/a><\/li>\n<li  id=\"menu-item-3246\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3246\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/fundamental_data_handling\/\" class=\"menu-link\">\u57fa\u790e &#8211; \u6578\u64da\u8655\u7406<\/a><\/li>\n<li  id=\"menu-item-3290\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3290\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/non_fundamental_algebra\/\" class=\"menu-link\">\u975e\u57fa\u790e &#8211; \u6578\u8207\u4ee3\u6578<\/a><\/li>\n<li  id=\"menu-item-3288\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3288\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/non_fundamental-shape_n_space\/\" class=\"menu-link\">\u975e\u57fa\u790e &#8211; \u5ea6\u91cf\u3001\u5716\u5f62\u8207\u7a7a\u9593<\/a><\/li>\n<li  id=\"menu-item-3289\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-3289\"><a href=\"https:\/\/www.study-together.com\/edu\/dse-maths-core\/non_fundamental_data_handling\/\" class=\"menu-link\">\u975e\u57fa\u790e &#8211; \u6578\u64da\u8655\u7406<\/a><\/li>\n<\/ul><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>11.5. \u5716\u50cf\u8f49\u63db \u7c21\u55ae\u569f\u8b1b\uff0c\u5716\u50cf\u8f49\u63db \u4fc2\u6307\u5c07\u4e00\u5716\u50cf\u6309\u6307\u5b9a\u5605\u65b9\u6cd5\u6539\u8b8a\u4f62\u5605\u5f62\u72c0\u3001\u5927\u7d30\u3001\u4f4d\u7f6e\u3001\u65b9\u5411\u7b49\u3002\u55baDSE\u5605 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