Matematika

Pertanyaan

Himpunan penyelesaian (3x+2) =5
A) (1,-7/3)
B) (-1, 7/3)
C) (3,-1/7)
D) (-3, 1/7)
E) (1,-3/7)

1 Jawaban

  • Materi Nilai Mutlak

    [tex] |3x+2| = 5 \\ 3x+2 = 5 \lor 3x+2=-5 \\3x=3 \lor 3x = -7 \\ x = 1 \lor x = -\dfrac{7}{3} \\ HP = \{1, -\dfrac{7}{3}\} [/tex]
    Jawaban A

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