
Rasio/Perbandingan
Presentation
•
Mathematics
•
7th Grade
•
Hard
anny prastyaningtyas
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2 Slides • 3 Questions
1
Persamaan Linear Satu Variabel
Anny Prastyaningtyas, S.Pd
NIP. 19801007 201406 2 003
2
Pengertian dan Bentuk Umum
Pengertian Persamaan Linear Satu Variabel adalah Kalimat terbuka dengan satu variabel yang memiliki hubungan sama dengan dan variabelnya hanya berpangkat satu
Bentuk Umum PLSV : ax + b = 0
keterangan : a adalah koefisien dari variabel x
x adalah variabel
b adalah konstanta ruas kiri
Contoh : 1. - 2x + 5 = 15
2. 4y - 3 = - y + 12
3
Multiple Choice
Yang termasuk persamaan linear satu variabel
2m - 6 = 12
a2 − 9 = 0
3t + 5 ≥ 9
- 2x + 8 = 3y - 5
4
Multiple Choice
Perhatikan pernyataan-pernyataan berikut: (1) r+4=7 (2) 4s1+2s2−3s3=4 (3) a2−6a+5=0 (4) 2c+10=3c Persamaan linear satu variabel ditunjukkan oleh pernyataan ….
(1) dan (3)
(2) dan (4)
(1) dan (4)
(2) dan (3)
(1) dan (2)
5
Multiple Choice
Amir memiliki kelereng sebanyak a. Budi memiliki kelereng 10 buah lebih sedikit dari kelereng Amir. Jika jumlah kelereng mereka adalah 30, pernyataan berikut yang benar adalah…
a + 10 = 30
a – 10 = 30
2a + 10 = 30
2a = 40
a − 40 = 10
Persamaan Linear Satu Variabel
Anny Prastyaningtyas, S.Pd
NIP. 19801007 201406 2 003
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