Point d’inflexion le repérer graphiquement sans calcul

Concave or Convex?? The easiest way to see this is that concave shapes look like they “cave” in. However, in math we want to have a precise definition of our terms. Saying “Look at it! It caves in!” usually isn’t going to cut it. There are a few different ways to define convex and concave, but I think this is the one that is most appropriate for third grade: In a convex shape, all diagonals lie within the shape. In a concave shape, at least one diagonal is outside of the shape. Another definitio

😱Je me GALÈRE sur cet oral niveau LYCÉE ! 😰(sup/L1)