Question

M = -1\3 dan melalui perpotongan sumbu -y dititik (0, 4) ?

Answer 1

Y-y1=m(x-x1)
y-4=-1/3(x-0)
y-4=-1/3x
3y-12=-x
3y+x-12=0

Answer 2

( y - y1 )= m ( x - x1 )
( y - 4 ) = -1/3 ( x - 0 )
y - 4 = -1/3x + 0
3y - 12 = -x 《=》 3y + x + 12 = 0