{"id":5542,"date":"2015-12-09T19:46:03","date_gmt":"2015-12-09T18:46:03","guid":{"rendered":"http:\/\/www.matematicaok.it\/?p=5542"},"modified":"2015-12-09T19:46:03","modified_gmt":"2015-12-09T18:46:03","slug":"esercizio-18-fascio-di-circonferenze","status":"publish","type":"post","link":"https:\/\/www.matematicaok.com\/?p=5542","title":{"rendered":"Esercizio 18 \u2013 Fascio di circonferenze"},"content":{"rendered":"<p>Studia il fascio di circonferenze \u00a0x<sup>2<\/sup> + y<sup>2 <\/sup>&#8211; 2x + 4y + k(x + y &#8211; 20) = 0. Quale circonferenza del fascio ha il centro nell&#8217;origine degli assi? Scrivi l&#8217;equazione del fascio di circonferenze simmetrico al fascio dato rispetto all&#8217;asse x e trova per quali valori di k si hanno nei due fasci le circonferenze con il centro rispettivamente\u00a0sull&#8217;asse y e sull&#8217;asse x.<\/p>\n<p><a href=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/12\/Es18a_Circonferenze.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-5582\" src=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/12\/Es18a_Circonferenze-762x1024.jpg\" alt=\"Fascio di circonferenze\" width=\"677\" height=\"910\" srcset=\"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/12\/Es18a_Circonferenze-762x1024.jpg 762w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/12\/Es18a_Circonferenze-223x300.jpg 223w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/12\/Es18a_Circonferenze.jpg 1240w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/a> <a href=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/12\/Es18b_Circonferenze.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-5583\" src=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/12\/Es18b_Circonferenze-843x1024.jpg\" alt=\"Fascio di circonferenze\" width=\"677\" height=\"822\" srcset=\"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/12\/Es18b_Circonferenze-843x1024.jpg 843w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/12\/Es18b_Circonferenze-247x300.jpg 247w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/12\/Es18b_Circonferenze.jpg 1240w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Studia il fascio di circonferenze \u00a0x2 + y2 &#8211; 2x + 4y + k(x + y &#8211; 20) = 0. Quale circonferenza del fascio ha il centro nell&#8217;origine degli assi? Scrivi l&#8217;equazione del fascio di circonferenze simmetrico al fascio dato rispetto all&#8217;asse x e trova per quali valori di k si hanno nei due fasci le circonferenze con il centro rispettivamente\u00a0sull&#8217;asse y e sull&#8217;asse x.<\/p>\n","protected":false},"author":1,"featured_media":5582,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[125,127,128],"tags":[],"class_list":["post-5542","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-circonferenza","category-esercizi-svolti","category-geometria-analitica"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/12\/Es18a_Circonferenze.jpg","jetpack_shortlink":"https:\/\/wp.me\/p85Wmq-1ro","_links":{"self":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/5542","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5542"}],"version-history":[{"count":3,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/5542\/revisions"}],"predecessor-version":[{"id":5592,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/5542\/revisions\/5592"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/media\/5582"}],"wp:attachment":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}