
Masalah SPLtV
Presentation
•
Mathematics
•
10th Grade
•
Practice Problem
•
Easy
Aan Junaidi
Used 2+ times
FREE Resource
4 Slides • 2 Questions
1
Review SPLtV
2
Multiple Choice
Soal Halaman 149 Bagian A Nomor 1
Himpunan penyelesaian dari
x + y + z = 4
4x + 2y - 0,5z= -1,5
2x - 3y - 3z = -17
adalah ....
{(-3, 5, 2)}
{(-1, 2, -3)}
{(-1, 2, 3)}
{(1, 8, -5)}
{(3, 2, 1)}
3
Multiple Choice
Soal Halaman 151 Bagian A Nomor 2
Himpunan penyelesaian dari
3x + 7y + 2z = 8
4x + 2y - 5z= -19
6y - 4z = 14
adalah ....
{(5, 3, 1)}
{(4, -5, 1)}
{(-3, 4, 1)}
{(-5, 3, 2)}
{(-5, 3, 1)}
4
Masalah yang melibatkan SPLtV
5
Ayu, Bimo dan Candra berbelanja di sebuah toko buku secara bersamaan. Ayu membeli 3 set pensil, 4 buku tulis, dan 1 penghapus. Bimo membeli 6 set pensil, 2 buku tulis, dan 1 penghapus. Candra membeli 2 set pensil, 5 buku tulis, dan 10 penghapus. Di kasir Ayu membayar Rp. 83.000,00; Bimo membayar Rp. 86.000,00; dan Candra membayar Rp. 158.000,00.
Permasalahan di atas dapat dibentuk menjadi sebuah SPLtV
Contoh Soal
6
Permasalahan di atas dapat dibentuk menjadi sebuah SPLtV
Yaitu dengan membuat permisalan
x = harga 1 set pensil
y = harga 1 buah buku tulis
z = harga 1 buah penghapus
SPLtV
3x + 4y + z = 83.000
6x + 2y + z = 86.000
2x + 5y + 10z = 158.000
Penyelesaian menggunakan metode gabungan Eliminasi dan Subtitusi
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