Apa bentuk umum dari SPLDV?

tugas 4

Flashcard
•
Mathematics
•
8th Grade
•
Hard
Irfani Mataram
FREE Resource
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10 questions
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1.
FLASHCARD QUESTION
Front
Back
Bentuk umum SPLDV dapat dituliskan sebagai: ax + by = c atau bisa juga px + qy = r
2.
FLASHCARD QUESTION
Front
Sebutkan tiga metode untuk menyelesaikan SPLDV!
Back
1) Metode Grafik 2) Metode Substitusi 3) Metode Eliminasi
3.
FLASHCARD QUESTION
Front
Berikan contoh persamaan SPLDV!
Back
Contoh SPLDV: 1) 3x + 2y = 8 2) x + y = 3
4.
FLASHCARD QUESTION
Front
Apa kelemahan dari metode grafik dalam menyelesaikan SPLDV?
Back
Kelemahan metode grafik adalah jika penyelesaiannya berupa bilangan pecahan, sulit untuk menentukan titik potong dengan akurat.
5.
FLASHCARD QUESTION
Front
Jelaskan cara menyelesaikan SPLDV dengan metode substitusi!
Back
1) Isolasi salah satu variabel. 2) Substitusi nilai variabel tersebut ke dalam persamaan lainnya.
6.
FLASHCARD QUESTION
Front
Berikan contoh penyelesaian SPLDV menggunakan metode substitusi!
Back
Contoh: Selesaikan SPLDV: 2x + y = 13 y = x + 4 Substitusi y ke persamaan pertama: 2x + (x + 4) = 13 3x + 4 = 13 3x = 9 x = 3, y = 7.
7.
FLASHCARD QUESTION
Front
Berikan contoh penyelesaian SPLDV menggunakan metode eliminasi!
Back
Contoh: Selesaikan SPLDV: x + 2y = 11 5x - 2y = 7 Eliminasi x: 5(x + 2y) = 55 5x - 2y = 7 0 + 12y = 48 y = 4, x = 3.
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