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(FAKTORISASI BENTUK ALJABAR) Factorisation Of Algebraic Expressions
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Factorisation of algebraic expressions

Dec 18, 2014

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Page 1: Factorisation of algebraic expressions

(FAKTORISASI BENTUK ALJABAR)

Factorisation Of Algebraic Expressions

Page 2: Factorisation of algebraic expressions

Remember :

The Products of :- the factors of are : - the factors of are : 2, 3, - x + 1) the factors are : a and (b+1)

Page 3: Factorisation of algebraic expressions

Consider the following distributive law

(Perhatikan hukum distributif berikut)

From the distributive low above : has a common factor ( similar factor ), that’s

Additional form

Multiplication form

Page 4: Factorisation of algebraic expressions

Dari Hukum Distributif diatas :

Terlihat bahwa suatu bentuk penjumlahan dapat dinyatakan dalam bentuk perkalian

Karena suku-suku pada bentuk penjumlahan yaitu : memiliki faktor persekutuan(faktor yang sama) yaitu :

Page 5: Factorisation of algebraic expressions

Thereby, the form can be factorised

into

which consist of two factors,namely

Page 6: Factorisation of algebraic expressions

Dengan demikian :

Bentuk , dapat difaktorkan menjadibentuk :

yang terdiri atas dua faktor, yaitu

Page 7: Factorisation of algebraic expressions

From Explanation above, we can conclude that :

The additional form of the terms having a common factor can be factorised using the distributive law

(Bentuk penjumlahan suku-suku yang memiliki faktor persekutuan, dapat difaktorkan dengan menggunakan HUKUM DISTRIBUTIF )

Page 8: Factorisation of algebraic expressions

Exercises

1. Factorise :a) 4p + 12 = …..b) 6a- 8b = …..c) xy + 3y = …..d) 6 - = ….e) - = ……

Page 9: Factorisation of algebraic expressions

Solution

1.a) 4p + 12 = ….. ( 4xp) + (4x3) 4(p + 3)

. 1. f) …..

(9bx 2b x c) + (9b x 3) = 9b (2b.c + 3)

Page 10: Factorisation of algebraic expressions

Do the others, by your self…..

Remember :“Mathematic is opens doors to all kinds of

options for students.“ (Cathy Seeley NTCM Past-President )

Matematika adalah dasar pengetahuan yang dapat membuka pintu untuk semua jenis pilihan pengetahuan bagi siswa."

Page 11: Factorisation of algebraic expressions

2. Factorised the following Expression

a) b)

d) + 2 e) bcf) yz - +

Page 12: Factorisation of algebraic expressions

Solution

2.a) ( cari fpb dari 4,6,8) 2 ()

Page 13: Factorisation of algebraic expressions

2

(cari fpb dari The cgf (common greater

factor)is

Page 14: Factorisation of algebraic expressions

The result……

Page 15: Factorisation of algebraic expressions

3. Factorise The Following Expressions by grouping the terms first

a)

(kelompokkan dulu yang faktornya sama)

Page 16: Factorisation of algebraic expressions

Is it clear ?

Good…….….

Page 17: Factorisation of algebraic expressions

Buku sumber

Pelajaran MATEMATIKA BILINGUALUntuk SMP/MTsPenulis : - Cucun Cunayah- Ahmad Zaelani- Suwah Seembiring

Copyright 2010 pada CV YRAMA WIDYA

Page 18: Factorisation of algebraic expressions

Terima kasih…..Thank you ….., Buktikan bahwa………..