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Verified answer
Pg melalui titik (6,5) & (-3,-1)m=y2-y1/x2-x1
m=-1-5/-3-6
m=-6/-9
m=2/3
y-y1=m(x-x1)
y-5=2/3(x-6)
y-5=2/3x-4
y=2/3x-4+5
y=2/3x+1
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Verified answer
Y - Ya........X - Xa----------- = -------------
Yb - Ya.......Xb - Xa
Y - 5.......X - 6
-------- = ---------
-1 - 5.......-3 - 6
Y - 5........X - 6
-------- = -----------
...-6............-9
-9(Y - 5) = -6(X - 6)
-9Y + 45 = -6X + 36
6X - 9Y = 36 - 45
6X - 9Y = -9 (dibagi 3)
2X - 3Y = -3
Jadi persamaan garis lurus yang melalui titik-titik tersebut adalah
2x - 3y = -3