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Sistem persamaan kuadrat-kuadrat dan tidak mempuny...

Sistem persamaan kuadrat-kuadrat begin mathsize 14px style y equals x squared minus 4 x plus m space end style dan begin mathsize 14px style y equals 2 minus x squared end style tidak mempunyai penyelesaian. Nilai begin mathsize 14px style m end style yang memenuhi adalah ....

  1. begin mathsize 14px style m less than 0 end style

  2. size 14px 0 size 14px less than size 14px m size 14px less than size 14px 4

  3. size 14px 0 size 14px less or equal than size 14px m size 14px less or equal than size 14px 4

  4. size 14px m size 14px greater than size 14px 4

  5. size 14px m size 14px greater or equal than size 14px 4

Jawaban:

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell y subscript 1 end cell equals cell y subscript 2 end cell row cell x squared minus 4 x plus m end cell equals cell 2 minus x squared end cell row cell 2 x squared minus 4 x plus m minus 2 end cell equals 0 row blank blank blank row cell Tidak space mempunyai space penyelesaian space jika space D end cell less than 0 row cell b squared minus 4 a c end cell less than 0 row cell left parenthesis negative 4 right parenthesis squared minus 4 open parentheses 2 close parentheses open parentheses m minus 2 close parentheses end cell less than 0 row cell 16 minus 8 m plus 16 end cell less than 0 row cell negative 8 m end cell less than cell negative 32 end cell row m greater than 4 row blank blank blank end table end style  

 

Jadi jawaban yang tepat adalah D

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