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Nilai-nilai x yang memenuhi adalah...

Nilai-nilai x yang memenuhi x minus 2 less or equal than open vertical bar 1 minus 2 x close vertical bar adalah...

  1. x equals space S e m u a space b i l a n g a n space r i i l

  2. x greater or equal than negative 1 space a t a u space x less or equal than 1 half

  3. negative 1 less or equal than x less or equal than 1

  4. x less or equal than negative 1 space a t a u space x greater or equal than 1

  5. x less or equal than 1 half space a t a u space x greater or equal than 1

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N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Pembahasan

Definisi nilai mutlak Karena penyelesaiannya adalah , maka solusi pertidaksamaan tersebut adalah .

Definisi nilai mutlak

open vertical bar 1 minus 2 x close vertical bar equals open curly brackets table row cell space space space space space space 1 minus 2 x comma space u n t u k space x less or equal than 1 half end cell row cell negative open parentheses 1 minus 2 x close parentheses comma space u n t u k space x greater than 1 half end cell end table close U n t u k space x less or equal than 1 half comma space m a k a colon space space space space space space x minus 2 less or equal than 1 minus 2 x space space space space space space space space space space 3 x less or equal than 3 space space space space space space space space space space space space space x less or equal than 1 U n t u k space x greater than 1 half comma space m a k a colon space space space space space space x minus 2 less or equal than negative open parentheses 1 minus 2 x close parentheses space space space space space space x minus 2 less or equal than negative 1 plus 2 x space space space space space space space space minus x less or equal than negative 1 space space space space space space space space space space space space x greater or equal than 1

Karena penyelesaiannya adalah x less or equal than 1 space a t a u space x greater or equal than 1 , maka solusi pertidaksamaan tersebut adalah  .x equals space S e m u a space b i l a n g a n space r i i l

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