bantuin jawab ya,gurunya killerrrrr bnget .....plise

15. m = 1/3, melewati 5,-3 sejajar
y = mx+c → substitusi nilai x dan koordinat titik yg dilewati
→ -3 = 1/3 x 5 +c → -3 = 5/3 + c → c =-3 - 5/3 = -14/3
→ susun ulang → y = mx +c → y = 1/3x - 4/3 (kali 3 semua) → 3y = -x + 14 → 3y+ x = 14