Jawaban:
Penjelasan dengan langkah-langkah:
Rumus :
A(a, b) → R, y = m → A'(a, 2m – b)
Soal :
A(–2, 3) → R, y = –2½ → A'(–2, [2×(–2½)–3])
→ A'(–2, [2×(–5/2)–3])
→ A'(–2, [(–10/2)–3])
→ A'(–2, [–5–3])
Jadi, bayangan A(–2, 3) dicerminkan terhadap garis y = –2½ adalah A'(–2, –8)
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Jawaban:
tidak ada di pilihan
Penjelasan dengan langkah-langkah:
Rumus :
A(a, b) → R, y = m → A'(a, 2m – b)
Soal :
A(–2, 3) → R, y = –2½ → A'(–2, [2×(–2½)–3])
→ A'(–2, [2×(–5/2)–3])
→ A'(–2, [(–10/2)–3])
→ A'(–2, [–5–3])
→ A'(–2, –8)
Jadi, bayangan A(–2, 3) dicerminkan terhadap garis y = –2½ adalah A'(–2, –8)