Question

Determinati solutiile inecuatiei 3x la patrat-2x-8< sau egal0

Answer 1

Răspuns:

a=3

b=-2

c=-8 => delta=b²-4ac => delta=4+96=100

=> x1,2= -b plus minus rad delta/2a =>

x1=2+10/6= 12/6=2

x2= 2-10/6= -8/6= -4/3 => S={2, -4/3}

Sper ca te am ajutat