" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Contoh soal :
Carilah nilai-nilai x yang memenuhi pertidaksamaan berikut!
3x-9≤0
2x-3<0 4x+8≥0 2x+8≥0 2x+10>0
Jawaban :
3x-9≤0
3x≤9
x≤9/3
x≤3
HP : {x|x≤3}
2x-3<0 2x<3 x<3/2 HP : {x|x<3/2} 4x+8>0
4x>-8
x>-8/4
x>2
HP : {x|x>2}
2x+8≥0
2x≥-8
x≥-8/2
x≥-4
HP : {x|x≥-4}
2x+10>0
2x>-10
x>-10/2
x>-5
HP : {x|x>-5}