Question

Tentukan titik potong yang melalui garis 3x -y - 2 = 0 dan -y + 2x + 2x + 2 = 0

Answer 1

Verified answer

Sederhanakan persamaan
y+2x+2x+2=0
y+4x+2=0

Eliminasi
3x-y-2=0
y+4x+2=0
-------------  +
7x = 0
x   = 0

y+4x+2=0
y+4(0)+2=0
y=-2

tipot {0,-2}