{"id":5274,"date":"2015-11-26T23:50:23","date_gmt":"2015-11-26T22:50:23","guid":{"rendered":"http:\/\/www.matematicaok.it\/?p=5274"},"modified":"2015-11-27T08:38:21","modified_gmt":"2015-11-27T07:38:21","slug":"esercizio-15-fasci-di-rette","status":"publish","type":"post","link":"https:\/\/www.matematicaok.com\/?p=5274","title":{"rendered":"Esercizio 15 \u2013 Fasci di rette"},"content":{"rendered":"<p>Dati i fasci di rette di equazione: \u00a0 <em>y = h (x &#8211; 7) + 4<\/em> \u00a0 e \u00a0 \u00a0<em>y = k (x + 1) &#8211; 2<\/em> \u00a0 determinare:<br \/>\na) l&#8217;equazione della retta comune ai due fasci;<br \/>\nb) i valori di h e k affinch\u00e8 le rette dei due fasci si intersechino perpendicolarmente nei punti P1 e P2 dell&#8217;asse y;<br \/>\nc) detti C1 e C2 i centri dei fasci, la misura della superficie del quadrilatero P1C1P2C2.<\/p>\n<p><a href=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/11\/Es15a_fascidirette.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-5280\" src=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/11\/Es15a_fascidirette-955x1024.jpg\" alt=\"Fascio di rette\" width=\"677\" height=\"726\" srcset=\"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15a_fascidirette-955x1024.jpg 955w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15a_fascidirette-280x300.jpg 280w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15a_fascidirette.jpg 1240w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/a> <a href=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/11\/Es15b_fascidirette.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-5281\" src=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/11\/Es15b_fascidirette-724x1024.jpg\" alt=\"Fascio di rette\" width=\"677\" height=\"958\" srcset=\"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15b_fascidirette-724x1024.jpg 724w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15b_fascidirette-212x300.jpg 212w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15b_fascidirette.jpg 1240w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/a> <a href=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/11\/Es15c_fascidirette.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-5282\" src=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2015\/11\/Es15c_fascidirette-1024x545.jpg\" alt=\"Fascio di rette\" width=\"677\" height=\"360\" srcset=\"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15c_fascidirette-1024x545.jpg 1024w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15c_fascidirette-300x160.jpg 300w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15c_fascidirette.jpg 1240w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dati i fasci di rette di equazione: \u00a0 y = h (x &#8211; 7) + 4 \u00a0 e \u00a0 \u00a0y = k (x + 1) &#8211; 2 \u00a0 determinare: a) l&#8217;equazione della retta comune ai due fasci; b) i valori di h e k affinch\u00e8 le rette dei due fasci si intersechino perpendicolarmente nei punti P1 e P2 dell&#8217;asse y; c) detti C1 e C2 i centri dei fasci, la&hellip; <\/p>\n","protected":false},"author":1,"featured_media":5280,"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":[127,128,140],"tags":[],"class_list":["post-5274","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-esercizi-svolti","category-geometria-analitica","category-retta"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2015\/11\/Es15a_fascidirette.jpg","jetpack_shortlink":"https:\/\/wp.me\/p85Wmq-1n4","_links":{"self":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/5274","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=5274"}],"version-history":[{"count":4,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/5274\/revisions"}],"predecessor-version":[{"id":5285,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/5274\/revisions\/5285"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/media\/5280"}],"wp:attachment":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5274"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}