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Penyelesaian pertidaksamaan  adalah....

Penyelesaian pertidaksamaan begin mathsize 14px style square root of 5 x plus 6 end root greater than 6 comma space x element of straight real numbers end style adalah....undefined 

  1. begin mathsize 14px style x greater than 6 end style 

  2. size 14px x size 14px less than size 14px 6 

  3. begin mathsize 14px style x greater or equal than negative 6 over 5 end style 

  4. begin mathsize 14px style negative 6 over 5 less or equal than x less than 6 end style 

  5. begin mathsize 14px style x less or equal than negative 6 over 5 space atau space x greater than 6 end style 

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell square root of 5 x plus 6 end root end cell greater than 6 row cell 5 x plus 6 end cell greater than 36 row cell 5 x minus 30 end cell greater than 0 row cell 5 left parenthesis x minus 6 right parenthesis end cell greater than 0 row blank blank cell Angka space batas space colon end cell row cell x minus 6 end cell greater than 0 row x greater than 6 end table end style  

Syarat :

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 5 x plus 6 end cell greater or equal than 0 row cell 5 x end cell greater or equal than cell negative 6 end cell row x greater or equal than cell fraction numerator negative 6 over denominator 5 end fraction end cell end table end style 

Daerah penyelesaian :

 

Jadi irisan dari kedua syarat adalah begin mathsize 14px style x greater than 6 end style 

Jadi jawaban yang tepat adalah A

 

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