{"id":"site-4732/zad/5468","paper_id":"site-4732","number":"5468","points":null,"ptype":"open","subject":"matematyka","category":"zbiory","year":0,"month":null,"level":"podstawowa","text":"Rozwiązanie zadania. Para liczb x=1, y=-3 spełnia układ równań {x-y=a^2 (1+a)x-3y=-4a Wtedy a jest równe A. 2 B. -2 C. √2 D. -√2","answer":null,"answer_text":null,"solution":null,"image":"img/site/4732/zad-5468.svg","solution_image":"img/site/4732/rozw-5468.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>Rozwiązanie zadania. Para liczb x=1, y=-3 spełnia układ równań {x-y=a^2 (1+a)x-3y=-4a Wtedy a jest równe A. 2 B. -2 C. √2 D. -√2</p>","solutions":[{"source":"site","label":"matematykaszkolna.pl","kind":"image","image":"/img/site/4732/rozw-5468.svg"}]}