Question

Tentukan persamaan garis melalui titik (2,3) dan (-2,1)

Answer 1

Answer 2

Pakai rumus :
(y-y1) / (y2-y1) = (x-x1) / (x2-x1)

(2,3) (-2,1)
2= x1
3= y1
-2= x2
1=y2

berarti tinggal masukkin rumus

(y-3) / (1-3) = (x-2) / (-2-2)
(y-3) / -2 = (x-2) / -4
-4y+12 = -2x+4
-4y+2x= -8
dikali minus biar y positif
4y - 2x = 8