Kunci Jawaban
Kunci Jawaban Matematika Kelas 11 Halaman 51 52, Uji Kompetensi 2.1: Program Linear
Simak kunci jawaban Matematika kelas 11 halaman 51 dan 52. Memuat tugas Uji Kompetensi 2.1 terkait materi Program Linear.
Penulis:
Enggar Kusuma Wardani
Editor:
Whiesa Daniswara
5x + 10y ≥ 20
Misal x = 0 → 5(0) + 10y ≥ 20
10y ≥ 20
y ≥ 20/10
y ≥ 2
Misal y = 0 → 5x + 10(0) ≥ 20
5x ≥ 20
x ≥ 20/5
3x + y ≥ 5
Misal x = 0 → y ≥ 5
Misal y = 0 → 3x ≥ 5
x ≥ 5/3
x ≥ 1,666 ...

Baca juga: Kunci Jawaban Matematika Kelas 11 Halaman 14, Uji Kompetensi 1.1: Program Linear
8. Cara Cepat
(i) x ≥ 0
y ≥ 0
3x + 2y ≥ 6
2x + 3y ≤ 6
(ii) x ≥ 0
y ≥ 0
3x + 3y ≥ 9
3x + 6y ≤ 18
9. 10x + 20y ≤ 200
15x + 5y ≤ 100
x ≥ 0
y ≥ 0
10x + 20y ≤ 200
Misal x = 0 → 10(0) + 20y ≤ 200
20y ≤ 200
y ≤ 200/2
y ≤ 10
Misal y = 0 → 10x + 20(0) ≤ 200
10x ≤ 200
x ≤ 200/10
x ≤ 20
15x + 5y ≤ 100
Misal x = 0 → 15(0) + 5y ≤ 100
5y ≤ 100
y ≤ 100/5
y ≤ 20
Misal y = 0 → 15x + 5(0) ≤ 100
15x ≤ 100
x ≤ 100/15
x ≤ 6,666 ...

10. 18.000x + 8.000y ≤ 2.000.000
x + y ≤ 450
x ≥ 0
y ≥ 0
Untung → f(x,y) = 2px + py