disequazioni di secondo grado
Presentation
•
Mathematics
•
10th Grade
•
Hard
DANIELA FALIVENE
Used 2+ times
FREE Resource
3 Slides • 0 Questions
1
disequazioni di secondo grado
Step da seguire
2
Capire concavità e in quanti punti tocca l'asse delle x
Se il coefficiente a è positivo la parabola "ride"
Se il coefficiente a è negativo la parabola "piange"
Se il Δ>0 la parabola toccherà in due punti l'asse x
Se il Δ=0 la parabola toccherà nel vertice l'asse x
Se il Δ<0 la parabola non toccherà l'asse x
3
Pallini pieni o vuoti?
Se la disequazione di partenza ha anche l'= i pallini sono pieni
Se nella disequazione di partenza non c'è l'= i pallini sono vuoti
disequazioni di secondo grado
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