Pablozl1 Pablozl1
  • 24-06-2020
  • Mathematics
contestada

which of the following is the solution 4|x+3|≥8

Respuesta :

ugmalani
ugmalani ugmalani
  • 24-06-2020

Answer: x≥-1 or x≤-5

Step-by-step explanation:

First, divide both sides by 4 to get rid of the 4:

4|x+3|≥8

|x+3|≥2

Next, we know that for |a|≥b, a≥b or a≤-b. Therefore:

|x+3|≥2

x+3≥2     or      x+3≤-2

x≥-1                  x≤-5

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