Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: Resuelva esta ecuacion de 2ºgrado incompleta: 16 [straight x squared]+28 x=0: 0 y -7/4; 0 y 7/4; 7/4 y -11/4
Right answer summary: 0 y -7/4
Question state: todo