Question

Persamaan garis yang melalui titik P (2,-5) dan Q (-3,-1) adalah ...

Answer 1

Y-y1/y2-y1=x-x1/x2-x1
y-(-5)/-1-(-5)= x-2/-3-2
y+5/4=x-2/-5
-5y-25=4x-8
-5y-4x-25+8=0
-5y-4x-17= 0

Answer 2

x - x1   =  y - y1
x2 - x1     y2 - y1

x - 2    =  y - (-5)
-3 - 2       -1 - (-5)

x - 2    =  y + 5
 -5            4

4x - 8    = -5y -25
5y + 4x = -25 + 8
5y + 4x = -17

Semoga Bermanfaat! ^-^