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Pertanyaan

Tentukan hasil operasi hitung yang melibatkan nilai mutlak berikut! b. ∣ − 20 ∣ − ∣ ∣ ​ − ( 2 − 1 ​ ) 2 − ∣ 8 : ( − 4 ) ∣ ∣ ∣ ​

Tentukan hasil operasi hitung yang melibatkan nilai mutlak berikut!

b.  

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W. Lestari

Master Teacher

Mahasiswa/Alumni Universitas Sriwijaya

Jawaban terverifikasi

Jawaban

.

 table attributes columnalign right center left columnspacing 0px end attributes row cell open vertical bar negative 20 close vertical bar minus open vertical bar negative open parentheses fraction numerator negative 1 over denominator 2 end fraction close parentheses squared minus open vertical bar 8 space colon space open parentheses negative 4 close parentheses close vertical bar close vertical bar end cell equals cell 17 3 over 4 end cell end table.

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Pembahasan

Hasil dari dapat ditentukan sebagai berikut: Jadi, .

Hasil dari open vertical bar negative 20 close vertical bar minus open vertical bar negative open parentheses fraction numerator negative 1 over denominator 2 end fraction close parentheses squared minus open vertical bar 8 space colon space open parentheses negative 4 close parentheses close vertical bar close vertical bar dapat ditentukan sebagai berikut:

table attributes columnalign right center left columnspacing 0px end attributes row cell open vertical bar negative 20 close vertical bar minus open vertical bar negative open parentheses fraction numerator negative 1 over denominator 2 end fraction close parentheses squared minus open vertical bar 8 space colon space open parentheses negative 4 close parentheses close vertical bar close vertical bar end cell equals cell 20 minus open vertical bar negative 1 fourth minus open vertical bar negative 2 close vertical bar close vertical bar end cell row blank equals cell 20 minus open vertical bar negative 1 fourth minus 2 close vertical bar end cell row blank equals cell 20 minus open vertical bar negative 1 fourth minus 8 over 4 close vertical bar end cell row blank equals cell 20 minus open vertical bar negative 9 over 4 close vertical bar end cell row blank equals cell 20 minus 9 over 4 end cell row blank equals cell 80 over 4 minus 9 over 4 end cell row blank equals cell 71 over 4 end cell row blank equals cell 17 3 over 4 end cell end table 

Jadi, table attributes columnalign right center left columnspacing 0px end attributes row cell open vertical bar negative 20 close vertical bar minus open vertical bar negative open parentheses fraction numerator negative 1 over denominator 2 end fraction close parentheses squared minus open vertical bar 8 space colon space open parentheses negative 4 close parentheses close vertical bar close vertical bar end cell equals cell 17 3 over 4 end cell end table.

Latihan Bab

Konsep Kilat

Nilai Mutlak

Fungsi Nilai Mutlak

Persamaan Nilai Mutlak Linear I

25

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