almond32 almond32

16-06-2020
Mathematics

contestada

Which of the following is the solution set of -21xl <-8?
{x1-4>x>4]
{XIX<-4 or x 34)
{x1-4

Which of the following is the solution set of 21xl lt8 x14gtxgt4 XIXlt4 or x 34 x14 class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

16-06-2020

Answer:

x>4 or x <-4

Step-by-step explanation:

-2|x| < -8

Divide each side by -2, remembering to flip the inequality

-2|x|/-2 > -8/-2

|x| >4

To get rid of the absolute values, we get 2 equations one positive and one negative

x>4 or x <-4

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