mried
contestada

Which of the following is the solution set of -2|x| < -8

{x | -4 > x > 4} {x | -4 < x < 4} {x | x < -4 or x > 4}

Respuesta :

-2|x|<-8
divide both sides by -2, don't forget to flip sign
|x|>4

when you have
|a|>b
assume
a>b and a<-b is trrue

|x|>4
assume
x>4 and x<-4

last one is answer