Nmer050194
Nmer050194
28-03-2018
Mathematics
contestada
Help with this math question please
Respuesta :
meowymeowylee
meowymeowylee
28-03-2018
For absolute value inequalities, you can split the equation in two parts.
|-5x + 10| ≤ 10 , and |-5x + 10| ≥ -10.
5x + 10 ≤ 10 5x + 10 ≥ -10
5x ≤ 0 5x ≥ - 20
x ≤ 0 x ≥ -4
So your answers are x ≤ 0 , x ≥ -4.
Hope this helped!
Answer Link
mreijepatmat
mreijepatmat
28-03-2018
|-5x+10| < = 10
Either : -5x+10 < = 10 or -5x+10 >
= 10
solving te 1st inequality :
-5x + 10 < = 10
-5x < = 0 and x> =0
solving te 2nd inequality:
-5x+10 <
= -10
-5x < = - 20
5x> = 20
x> = 4
2 solutions : a) x>=0 AND b) x> = 4
Answer Link
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