{"id":"site-2669/zad/5497","paper_id":"site-2669","number":"5497","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Funkcja kwadratowa f(x) = x²+bx+c nie ma miejsc zerowych. Wykaż, że 1+c>b.","answer":null,"answer_text":null,"solution":null,"image":"img/site/2669/zad-5497.svg","solution_image":"img/site/2669/rozw-5497.svg","topics":null,"page_from":null,"source":"site","answer_source":null,"answer_text_source":null,"solution_source":null,"text_source":"site","source_label":"Matematyka · Zbiory zadań (podstawowa)","subject_label":"Matematyka","category_label":"Zbiory zadań","text_html":"<p>Funkcja kwadratowa f(x) = x²+bx+c nie ma miejsc zerowych. Wykaż, że 1+c&gt;b.</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/2669/rozw-5497.svg"}]}