{"id":7419,"date":"2016-02-29T23:22:36","date_gmt":"2016-02-29T22:22:36","guid":{"rendered":"http:\/\/www.matematicaok.it\/?p=7419"},"modified":"2016-03-01T12:04:49","modified_gmt":"2016-03-01T11:04:49","slug":"esercizio-15-fascio-di-parabole","status":"publish","type":"post","link":"https:\/\/www.matematicaok.com\/?p=7419","title":{"rendered":"Esercizio 15 &#8211; Fascio di parabole"},"content":{"rendered":"<p>Studia il fascio di parabole di equazione \u00a0y = (3k\u00a0\u2014\u00a02) x<sup>2<\/sup> + 2 (3 \u2014 5k) x \u2014 4 + 7k\u00a0e\u00a0determina per quale\u00a0valore di k la parabola del fascio:<br \/>\na) passa per il punto P(2; \u2014 3);<br \/>\nb) ha il vertice sull&#8217;asse y.<\/p>\n<p><a href=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2016\/02\/Es15a_FasciParabole.jpg\" rel=\"attachment wp-att-7436\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7436\" src=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2016\/02\/Es15a_FasciParabole-907x1024.jpg\" alt=\"Fasci di Parabole\" width=\"677\" height=\"764\" srcset=\"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2016\/02\/Es15a_FasciParabole-907x1024.jpg 907w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2016\/02\/Es15a_FasciParabole-266x300.jpg 266w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2016\/02\/Es15a_FasciParabole-768x867.jpg 768w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2016\/02\/Es15a_FasciParabole.jpg 1240w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/a> <a href=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2016\/02\/Es15b_FasciParabole.jpg\" rel=\"attachment wp-att-7437\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-large wp-image-7437\" src=\"http:\/\/www.matematicaok.it\/wp-content\/uploads\/2016\/02\/Es15b_FasciParabole-1024x983.jpg\" alt=\"Fasci di Parabole\" width=\"677\" height=\"650\" srcset=\"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2016\/02\/Es15b_FasciParabole-1024x983.jpg 1024w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2016\/02\/Es15b_FasciParabole-300x288.jpg 300w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2016\/02\/Es15b_FasciParabole-768x737.jpg 768w, https:\/\/www.matematicaok.com\/wp-content\/uploads\/2016\/02\/Es15b_FasciParabole.jpg 1240w\" sizes=\"auto, (max-width: 677px) 100vw, 677px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Studia il fascio di parabole di equazione \u00a0y = (3k\u00a0\u2014\u00a02) x2 + 2 (3 \u2014 5k) x \u2014 4 + 7k\u00a0e\u00a0determina per quale\u00a0valore di k la parabola del fascio: a) passa per il punto P(2; \u2014 3); b) ha il vertice sull&#8217;asse y.<\/p>\n","protected":false},"author":1,"featured_media":7436,"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":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[127,128,139],"tags":[],"class_list":["post-7419","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-esercizi-svolti","category-geometria-analitica","category-parabola"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/www.matematicaok.com\/wp-content\/uploads\/2016\/02\/Es15a_FasciParabole.jpg","jetpack_shortlink":"https:\/\/wp.me\/p85Wmq-1VF","_links":{"self":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/7419","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=7419"}],"version-history":[{"count":2,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/7419\/revisions"}],"predecessor-version":[{"id":7438,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/posts\/7419\/revisions\/7438"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=\/wp\/v2\/media\/7436"}],"wp:attachment":[{"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.matematicaok.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}