Question

Tentukan persamaan bayangan dari persamaan garis 5x+3y=15 jika direfleksikan terhadap garis x=1!

Answer 1

Verified answer

Refleksi

5x + 3y = 15
Refleksi thd x = 1

x' = 2(1) - x ---> x = 2 - x'
y' = y

Hasil pencerminan :
5x + 3y = 15
5(2 - x') + 3y' = 15
-5x + 3y = 15 - 10
-5x + 3y = 5 ✓