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Nilai  yang memenuhi pertidaksamaan  adalah....

Pertanyaan

Nilai undefined yang memenuhi pertidaksamaan begin mathsize 14px style 3 greater than square root of x squared minus 16 end root comma space x element of straight real numbers end style adalah....undefined 

  1. begin mathsize 14px style negative 5 less or equal than x less or equal than 5 end style 

  2. begin mathsize 14px style negative 4 less or equal than x less or equal than 4 end style 

  3. begin mathsize 14px style negative 5 less than x less or equal than negative 4 space atau space 4 less or equal than x less than 5 end style 

  4. begin mathsize 14px style x less or equal than negative 4 space atau space x greater or equal than 4 end style 

  5. begin mathsize 14px style x less than negative 5 space atau space x greater than 5 end style 

Pembahasan Soal:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row 3 greater than cell square root of x squared minus 16 end root space space space kuadratkan space kedua space ruas end cell row 9 greater than cell straight x squared minus 16 end cell row 0 greater than cell straight x squared minus 25 end cell row 0 greater than cell open parentheses straight x minus 5 close parentheses open parentheses straight x plus 5 close parentheses end cell row blank blank blank end table end style 

Daerah pemyelesaian sementara :

Syarat lain :

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell square root of x squared minus 16 end root end cell greater or equal than cell 0 space space kuadratkan space kedua space ruas end cell row cell straight x squared minus 16 end cell greater or equal than 0 row cell open parentheses straight x minus 4 close parentheses open parentheses straight x plus 4 close parentheses end cell greater or equal than 0 row blank blank blank row blank blank blank row blank blank blank end table end style 

Daereh penyelesaian syarat :

Daerah penyelesain gabungan :

 

Jadi jawaban yang tepat adalah C

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 04 Februari 2021

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