Penjelasan dengan langkah-langkah:
HP = { x | x ≤ -6 atau x ≥ 2 , x € R }
.
HP = { x | -6 ≤ x ≤ 2 , x € R }
Jawaban:
|x| ≤ y maka - y ≤ x ≤ y
_________________________
|5x+10∣≥20
-20 ≤ (5x + 10) ≥ 20
-20 - 10 ≤ (5x) ≥ 20 - 10
-30 ≤ (5x) ≥ 10
-30/5 ≤ (x) ≥ 10/5
-6 ≤ (x) ≥ 2
HP = {x | x ≤ -6 atau x ≥ 2 , x € R}
|5x+ 10|≤20
5|x + 2| ≤ 20
|x+ 2 | ≤ 4
- 4 ≤ x + 2 ≤ 4
- 4 - 2 ≤ x ≤ 4 - 2
- 6 ≤ x ≤ 2
HP = {x | -6 ≤ x ≤ 2 , x € R}
#AyoBelajar
#TingkatkanPrestasimu
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Penjelasan dengan langkah-langkah:
HP = { x | x ≤ -6 atau x ≥ 2 , x € R }
.
HP = { x | -6 ≤ x ≤ 2 , x € R }
Jawaban:
>> Nilai Mutlak
|x| ≤ y maka - y ≤ x ≤ y
_________________________
Soal
|5x+10∣≥20
-20 ≤ (5x + 10) ≥ 20
-20 - 10 ≤ (5x) ≥ 20 - 10
-30 ≤ (5x) ≥ 10
-30/5 ≤ (x) ≥ 10/5
-6 ≤ (x) ≥ 2
HP = {x | x ≤ -6 atau x ≥ 2 , x € R}
Soal
|5x+ 10|≤20
5|x + 2| ≤ 20
|x+ 2 | ≤ 4
- 4 ≤ x + 2 ≤ 4
- 4 - 2 ≤ x ≤ 4 - 2
- 6 ≤ x ≤ 2
HP = {x | -6 ≤ x ≤ 2 , x € R}
#AyoBelajar
#TingkatkanPrestasimu