Question

Persamaan garis yang melalui titik P (1,3) dan Q (5,1) adalah?
tolong bantu teman-teman

Answer 1

Y2-y1 / x2-x1 = 1-3 / 5-1 = -2 / 4 = -½

Answer 2

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

(y - 3)/(1 - 3) = (x - 1)/(5 - 1)
(y - 3)/-2 = (x - 1)/4
4y - 12 = -2x + 2
2x + 4y = 14
x + 2y = 7