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m= 3/-2
y-y1 = m ( x-x1 )
y - (-2) = 3/-2 ( x - 6)
y + 2 = 3/-2 ( x -6)
y+2 = 3/-2x +9
9 hasil dari perkalian 3/-2 × (-6)
y - 3/2x + 2+9 =0
y - 3/2x +11= 0
y -3/2x= -11
y= 3/2x-11
syarat tgk lurus
m1 x m2=-1
jdi, m = -1/m = -2/3
y-y1=m(x-x1)
y-(-2)=-2/3(x-6)
y+2=-2/3x+4
y=-2/3x+4-2
y=-2/3+2