Skorr

M=\x 2<x 8, x bilangan prima\ dan

Bilangan Matematika · SMP easy

Diketahui:

M={x∣2<x≤8, x bilangan prima}M=\{x \mid 2<x\le8,\ x\text{ bilangan prima}\} dan

N={x∣2<x≤9, x bilangan genap}N=\{x \mid 2<x\le9,\ x\text{ bilangan genap}\}.

M∪NM\cup N adalah ....

  1. A
    {2,3,4,5,6,7,8,9}\{2,3,4,5,6,7,8,9\}
  2. B
    {3,4,5,6,7,8,9}\{3,4,5,6,7,8,9\}
  3. C
    {2,3,4,5,6,7,8}\{2,3,4,5,6,7,8\}
  4. D
    {3,4,5,6,7,8}\{3,4,5,6,7,8\}
    ✓

Kunci jawaban

D

Penjelasan singkat

M={3,5,7}M=\{3,5,7\}, N={4,6,8}N=\{4,6,8\}, sehingga M∪N={3,4,5,6,7,8}M\cup N=\{3,4,5,6,7,8\}.

M={3,5,7}M=\{3,5,7\} (prima antara 2 dan 8) dan N={4,6,8}N=\{4,6,8\} (genap antara 2 dan 9). Gabungannya {3,4,5,6,7,8}\{3,4,5,6,7,8\}. Jawabannya D.

⚡ Latihan Matematika SMP