Technical information
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: _ _ _Sea [f left parenthesis # x11 right parenthesis equals a # x11 squared plus b # x11 plus c] cuyo gráfico es:__ _ _#graf __ _ _Determine cuáles de las siguientes afirmaciones son verdaderas.__ _: c≥0; ( b ) ^ ( 2 ) -4·a·c≥0; ( b ) ^ ( 2 ) -4·a·c<0; a<0; c<0; a>0
Right answer summary: ( b ) ^ ( 2 ) -4·a·c<0; a<0; c<0
Question state: todo