- Pertidaksamaan Nilai Mutlak-Pertidaksamaan Irrasional-Pertidaksamaan Pecahan
Nama Kelompok :
Febriana Riska D.R. (18)Helena Dwi Alex C. (19) Irvan Afandy (21)Nova Angelia E. (29)Yuli Agustina (38)
βπβπ ππ+π
ββ€π
ΒΏΒΏΒΏ
( 3β2 π₯2+π₯ )β€42
ΒΏ(3β2π₯+4 (2+π₯ ) ) (3β2π₯β4 (2+π₯ ) )β€0(3β2π₯+8+4 π₯ ) (3β2π₯β8β4 π₯ )β€0
(11+2π₯ ) (β5β6 π₯ )β€0
π»π={π₯β¨π₯β€β112ππ‘ππ’β
56β€π₯ ,π₯βπ }
Pertidaksamaan Nilai Mutlak
Soal
ΒΏπ+ππ
β¨ΒΏπ
( 3 π₯+7π₯ )
2
>12
ΒΏΒΏΒΏ
(3 π₯+7)2β ΒΏ(3 π₯+7+1(π₯)) (3 π₯+7β1(π₯))>0
(3 π₯+7+π₯ ) (3 π₯+7βπ₯ )>0(4 π₯+7 ) (2π₯+7 )>0
π―π· {π|π<βπππππππ π>βππ
π, πβπΉ}
Soal
Pertidaksamaan Pecahan2β (π₯β1 )(π₯β1 )β1
β₯2
1+π₯β₯0 ππ‘ππ’βπ₯+1β₯01β₯π₯
π»π {π₯|β1<π₯ β€1, π₯βπ }
Soal
ππ βππ π+π
β₯π
ππππππ :π β βπ
atau
π»π {π₯|π₯β€β3ππ‘ππ’π₯>β1 ,π₯βπ }
Soal
(2 π₯+2 ) (β3β9 )β₯0
Pertidaksamaan Irasional
β ππ βππβ€π
π»π {π₯|23 β€ π₯β€6 , π₯βπ }
Soal
β3ββ5 π₯β€2
π»π {π₯|β 75 β€π₯β€ 95 ,π₯βπ }
Soal
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