
Penjumlahan Dan Pengurangan
Presentation
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Yusrini Hadiyanthy
Used 1+ times
FREE Resource
7 Slides • 0 Questions
1
BERSAMA : BU YUSRINI
PENJUMLAHAN
&
PENGURANGAN
ALJABAR
2
Bentuk aljabar yang dapat dijumlahkan atau
dikurangkan yaitu hanya pada bentuk aljabar
yang memiliki suku yang sama .
Dalam penjumlahan dan pengurangan yang
dijumlah
ataupun
dikurangkan
adalah
koefisiennya dalam suku yang sama .
3
Keterangan :
a dan b = koefisien
n = Variabel
1
Penjumlahan Bentuk Aljabar
an + bn = ( a + b )n
2
Pengurangan Bentuk Aljabar
an – bn= ( a – b ) n
4
Ada pertanyaan
sebelum kita
lanjutkan?
5
Contoh soal
1. Tentukan koefisien dari
bentuk – bentuk aljabar
berikut :
a. 2x + x – 1
b. 3x +(- 2x) + 1
c. x + 5x – 6
d. ax + bx + cx + d
Jawab :
a. koefisien 3x = 3 dan
konstanta = -1
6
Diskusi Kelas
b. 4x – 2y + 1 – 5x + x + y
Sederhanakan bentuk aljabar
berikut :
c. 4 ( 2x – y ) + 3 ( x + y )
a. 3x – 4 x + 7x – 2 x + 1
7
Apa kamu
sudah Paham?
Semoga saja, ya! Terima kasih sudah
berpartisipasi di kegiatan hari ini.
Kelas selesai!
BERSAMA : BU YUSRINI
PENJUMLAHAN
&
PENGURANGAN
ALJABAR
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