Matematika

Pertanyaan

Tolong jawabkan beserta caranya yaa
Tolong jawabkan beserta caranya yaa

2 Jawaban


  • [tex] \: \: \: ( \frac{1}{2} ) ^{x - 4} = 32 \\ (2 ^{ - 1} ) ^{x - 4} = 2 ^{5} \\ \: 2 ^{ - 1(x - 4)} = 2 ^{5} \\ \: \: \: \: \: 2 ^{ - x + 4} = 2 ^{5} \\ \: \: - x + 4 = 5 \\ \: \: \: \: \: \: \: \: \: \: - x = 5 - 4 \\ \: \: \: \: \: \: \: \: \: \: - x = 1 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: x = - 1[/tex]

    Jawaban : E. x = - 1

    Maaf Kalau Salah
  • Mapel : matematika
    Bab : Eksponen

    [tex] ( \frac{1}{2} ) ^{x - 6} = 32[/tex]
    [tex](2 ^{ - 1} ) ^{x - 4} = 32[/tex]
    [tex]2 ^{ - x + 4} = 2 ^{5} [/tex]
    [tex] - x + 4 = 5[/tex]
    [tex] - x = 5 - 4[/tex]
    [tex] - x = 1[/tex]
    [tex]x = - 1[/tex]


    E