Question

Calcule as raizes e esboce os graficos das seguintes funçoes :
y = 3x-1

Answer 1

y= 3x -1 a= 0 b= 3x c= -1 Δ= b2 - 4.a.c Δ= 32 - 4.0.-1 (-1) Δ= 6 - 4 Δ= 2 x= -b ± √Δ /2a x= -3 ± √2 /2 x= -3 + 1 /2 = -2/2 = 0 x= -b ± √Δ /2a x= -3 ± √2 /2 x= -3 - 1/2 = -2/2 = 0