Pertanyaan

Jika x ( − 6 11 7 − 9 ) = ( 4 5 3 − 2 ) , maka x = ...

Jika $x (- 6 11 7 - 9) = (45 3 - 2)$ , maka $x = ...$

L. Rante

Master Teacher

Mahasiswa/Alumni Universitas Negeri Makassar

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah C.

Pembahasan

Ingat jika maka Perhatikan perhitungan berikut Dengan demikian, jawaban yang tepat adalah C.

Ingat jika X times A equals B maka X equals B times A to the power of negative 1 end exponent

Perhatikan perhitungan berikut

$table attributes columnalign right center left columnspacing 0px end attributes row cell x open parentheses table row cell negative 6 end cell 7 row 11 cell negative 9 end cell end table close parentheses end cell equals cell open parentheses table row 4 3 row 5 cell negative 2 end cell end table close parentheses end cell row X equals cell open parentheses table row 4 3 row 5 cell negative 2 end cell end table close parentheses times open parentheses table row cell negative 6 end cell 7 row 11 cell negative 9 end cell end table close parentheses to the power of negative 1 end exponent end cell row X equals cell open parentheses table row 4 3 row 5 cell negative 2 end cell end table close parentheses open parentheses fraction numerator 1 over denominator open parentheses negative 6 close parentheses open parentheses negative 9 close parentheses minus open parentheses 11 close parentheses open parentheses 7 close parentheses end fraction times open parentheses table row cell negative 9 end cell cell negative 7 end cell row cell negative 11 end cell cell negative 6 end cell end table close parentheses close parentheses end cell row X equals cell open parentheses table row 4 3 row 5 cell negative 2 end cell end table close parentheses open parentheses fraction numerator 1 over denominator 54 minus 77 end fraction times open parentheses table row cell negative 9 end cell cell negative 7 end cell row cell negative 11 end cell cell negative 6 end cell end table close parentheses close parentheses end cell row X equals cell open parentheses table row 4 3 row 5 cell negative 2 end cell end table close parentheses open parentheses fraction numerator 1 over denominator 54 minus 77 end fraction times open parentheses table row cell negative 9 end cell cell negative 7 end cell row cell negative 11 end cell cell negative 6 end cell end table close parentheses close parentheses end cell row X equals cell open parentheses table row 4 3 row 5 cell negative 2 end cell end table close parentheses open parentheses fraction numerator 1 over denominator negative 23 end fraction times open parentheses table row cell negative 9 end cell cell negative 7 end cell row cell negative 11 end cell cell negative 6 end cell end table close parentheses close parentheses end cell row X equals cell fraction numerator 1 over denominator negative 23 end fraction times open parentheses table row 4 3 row 5 cell negative 2 end cell end table close parentheses times open parentheses table row cell negative 9 end cell cell negative 7 end cell row cell negative 11 end cell cell negative 6 end cell end table close parentheses end cell row X equals cell negative 1 over 23 times open parentheses table row cell negative 36 minus 33 end cell cell negative 28 minus 18 end cell row cell negative 45 plus 22 end cell cell negative 35 plus 12 end cell end table close parentheses end cell row X equals cell negative 1 over 23 times open parentheses table row cell negative 69 end cell cell negative 46 end cell row cell negative 23 end cell cell negative 23 end cell end table close parentheses end cell row X equals cell open parentheses table row 3 2 row 1 1 end table close parentheses end cell end table$

Dengan demikian, jawaban yang tepat adalah C.